1024-(number) - Factbites

1024-(number) - Factbites
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Topic: 1024-(number)

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	1024 (number)
		1024 is the natural number following 1023 and preceding 1025.
		In measuring byte s it is often used in place of 1000 as the quotients of the units byte, kilobyte, megabyte, etc. In 1999, the IEC coined kibibyte to use for 1024 with kilobyte being 1000.
		To search McFly, or the web, use the search page.
	www.mcfly.org /wik/1024_(number)

	RFC 1024 (rfc1024) - HEMS variable definitions
		If the new value is less than the number of currently open connections, implementations are not required to close existing connections, but may not open any additional ones.
		This histogram is an range histogram, measuring the number of segments whose size fell into a give range.
		OBJECT: octetsRXmit Type: Counter Definition: The total number of octets retransmitted since the connection was opened.
	www.faqs.org /rfcs/rfc1024.html

	search.cpan.org: Number::Format - Perl extension for formatting numbers
		characters, then the number returned will be multiplied by 1024 or 1024*1024 as appropriate.
		If the specified number begins with a ``-'' character, that will be removed before formatting, but formatting will occur whether or not the number is negative.
		These functions provide an easy means of formatting numbers in a manner suitable for displaying to the user.
	search.cpan.org /perldoc?Number::Format

	dBforums - ASE 11.9.2 performance on Solaris 2.6 vs Solaris 8
		1024 0 1024 1024 number of alarms 40 2 40 40 number of aux scan descriptors 200 #197
		200 200 number of devices 10 #4 10 10 number of languages in cache 3 4 3 3 number of
		number of languages in cache 3 4 3 3 size of unilib cache 0 128 0
	www.dbforums.com /t379633.html (3909 words)

	ArgumentOutOfRangeException on Stream.Read method
		Don't know where the negative number is coming from since I've passed the value of 1024 to the Read and Write methods.
		Don't > know where the negative number is coming from since I've passed the > value of 1024 to the Read and Write methods.
		I've even tested the value of buffer.Length and size at the time of the exception and they are both 1024.
	www.codecomments.com /message209653.html (439 words)

	Notable Properties of Specific Numbers at MROB
		If you replace both numbers with their average, you get 32×32=1024, and 1024 is another number with important properties related to the fact that it is close to 1000.
		The numbers with this property are: 1, 8, (10), 45, 297, 2322, 2728, 4445, 4544, 4949, 5049, 5455, 5554, 7172, 27100, 44443, 55556, 60434, 77778, 143857,...
		The number that most Americans know best from its use as a speed limit also happens to be a Fibonacci number and the sum of the numbers 1 through 10 (which makes it the 10th triangular number).
	home.earthlink.net /~mrob/pub/math/numbers-5.html (2506 words)

	HP Server Connectivity - x.25
		The maximum number of virtual circuits supported per system is 1024 (standard performance option) or 4096 (high-performance option), regardless of the number of hardware serial interface cards installed on the HP 9000 server or workstation.
		The maximum number of virtual circuits supported per serial interface port is 256 (standard performance option) or 1024 (high-performance option).
		An HP 9000 server or workstation with the X.25 link is capable of simultaneously sending calls to and receiving calls from other computers (HP or non-HP) over an X.25 network.
	www.hp.com /products1/serverconnectivity/adapters/x25.html (1711 words)

	pract-final.solutions
		(Note: if the number of inodes is not a multiple of 8192, then part of the last block in the inode bit map will be wasted.
		24 bits - 12 bits (offset) = 12 bits for frame numbers -> 2^12 frames Another program (on a different computer) has a 48-bit virtual address space, and 14 bits are used in each address for the page offset.
		1048576 1024^3 bytes* (1 block/1024 bytes)= 1048576 blocks * If we assume an average file size of 4K when the disk is full, how many inodes are needed?
	wwwcsif.cs.ucdavis.edu /~puketza/150-SP02/pract-final.solutions (1711 words)

	PGP DH vs. RSA FAQ
		RSA is patented in the United states by Massachusetts Institute of Technology (U.S. patent number 4,405,829), though this expires 20 September 2000.
		Elliptic Curves themselves have been studied for many centuries and are [Kob94] "among the most richly structured and intensively studied objects in number theory".
		RSA still recommend 768-bit as a minimum but it is expected that keys of this size will be vulnerable within the next couple of years [Sch99c] - it would appear that RSA's recommendations are far too optimistic.
	www.scramdisk.clara.net /pgpfaq.html (15220 words)

	Performance
		Timngs are for one 1024-bit RSA private key operation (RSA decryption).
		Size-optimised system including RSA key generation, RSA, Diffie-Hellman key exchange, DSA, AES, SHA-1, and random number generator (RNG).
		Example 6 gives timings on an ARM7TDMI for systems performing RSA in a number of different performance/memory trade-offs.
	www.cpktec.com /performance.html (327 words)

	Speed Comparison of Popular Crypto Algorithms
		This number is computed by taking the geometric mean of the number of bytes/second of each cipher, hash function, and MAC, and operations/second of each crypto operation listed above.
		RSA and LUC use 17 as the public exponent.
		The RSA, RW, DH, MQV, and elliptic curve schemes come from the IEEE P1363 draft standard.
	packetstormsecurity.nl /crypt/LIBS/cryptolib/benchmarks.html (354 words)

	Computational Number Theory
		An ordinary RSA 1024-bit decryption involves about 3,000 multiplications and divisions with 310-digit numbers, something that could take months with pencil and paper.
		With this practical concern in mind, they’re engaged in serious study of computational number theory: thinking of new ways, new mathematical tricks to speed up the processes of encryption, decryption, and key generation and make them more secure and more efficient.
		Montgomery was a member of the team that recently succeeded in factoring a number of 155 digits — it took them four months with a roomful of powerful computers.
	research.microsoft.com /research/crypto/compnum.asp (489 words)

	Hitmill.com - Monitor Screen Resolutions
		With technologies such as XGA, resolutions may be adjusted to a low of 1027 x 768, a mid-range of 1280 x 1024 and even as high as 1600 x 1200.
		Resolution settings with a 5:4 aspect ratio are 1280 by 1024 pixels, and 1600 by 1280 pixels.
		The more common resolutions having a 4:3 aspect ratio are: 800 by 600, 1024 by 768, 1152 by 864, 1600 by 1200 pixels.
	www.hitmill.com /html/screen.html (489 words)

	UNIX Socket FAQ - 4.8 How can I bind() to a port number < 1024?
		The practical upshot of this, is that binding a port number andlt; 1024 is reserved to processes having an effective UID == root.
		The intention is that servers (for example rlogind, rshd) can check the port number of the client, and if it is andlt; 1024, assume the request has been properly authorised at the client end.
		The restriction on access to ports andlt; 1024 is part of a (fairly weak) security scheme particular to UNIX.
	www.developerweb.net /forum/printthread.php?t=2984 (489 words)

	M2 Presswire: Screen resolution 1024 x 768 is most popular for exploring the internet according to OneStat.com.@ HighBeam Research
		Amsterdam -- OneStat.com (http://www.onestat.com), the number one provider of real-time website analysis software, today reported that screen resolution 1024 x 768 is the most popular for exploring the internet.
		The screen resolution 1024 x 768 has reached an all time high and has risen from 43percent to 46.1percent.
		Screen resolution 1024 x 768 is most popular for exploring the internet according to OneStat.com.
	www.highbeam.com /library/doc0.asp?DOCID=1G1:94128495&refid=holomed_1 (489 words)

	Polygonal Numbers
		The first few Square Numbers are 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225, 256, 289, 324, 361, 400, 441, 484, 529, 576, 625, 676, 729, 784, 841, 900, 961, 1024, 1089, 1156, 1225, 1296, 1369, 1444, 1521, 1600, 1681, 1764, 1849, 1936, 2025...
	www.virtuescience.com /polygonal-numbers.html (750 words)

	Webopedia: Well-Known TCP Port Numbers
		Port numbers range from 0 to 65536, but only ports numbers 0 to 1024 are reserved for privileged services and designated as well-known ports.
		Some ports have numbers that are preassigned to them by the IANA, and these are known as well-known ports (specified in RFC 1700).
		In TCP/IP and UDP networks, a port is an endpoint to a logical connection and the way a client program specifies a specific server program on a computer in a network.
	www.webopedia.com /quick_ref/portnumbers.asp (750 words)

	wikien.info: Main_Page
		In mathematics, RSA-1024 is one of the RSA numbers, large semiprimes that are part of the RSA Factoring Challenge.
		The RSA Factoring Challenge is a challenge put forward by RSA Laboratories on March 18 1991 to encourage research into computational number theory and the practical difficulty of factoring large integers.
		The RSA numbers, listed by security company RSA Security, are certain large semiprime numbers (i.e., numbers with exactly two prime factors); they form the basis of the RSA Factoring Challenge, in which factorisations for these numbers are sought.
	www.hostingciamca.com /browse.php?title=R/RS/RSA (2279 words)

	eval.html
		Numbers may be followed by the letters "k" or "K", "m" or "M", and "g" or "G", which multiplies the value by a factor of 1024, 1 megabyte or 1 gigabyte, respectively.
		If the resultant value is an integral number of gigabytes, megabytes, or kilobytes, a short-hand translation of the number will also be shown next to the hexadecimal value.
		A leading "0x" identifies a number as hexadecimal, but is not required when obvious.
	people.redhat.com /anderson/crash_whitepaper/help_pages/eval.html (262 words)

	On Eggleton and Guy conjectured upper bound for the crossing number of the n-cube - Faria, Figueiredo (ResearchIndex)
		We construct a family of drawings for the n--cubes, n 7, with number of crossings 165 1024 4 n \Gamma 2n 2 \Gamma11n+34 2 2...
		The crossing number (G) of a graph G is the smallest integer such that there is a drawing for G with (G) crossings of edges.
		16 Bounds for the crossing number of the n--cube (context) - Madej - 1991
	citeseer.ist.psu.edu /6017.html (580 words)

	RSA Security - TWIRL and RSA Key Size
		The schedule, still a draft, suggests that the 80-bit security level (i.e., 1024-bit RSA keys) is appropriate for protecting data through the year 2015, and that the 112-bit security level is appropriate through the year 2035.
		The sieving step is the bulk of the work in the Number Field Sieve.
		In NIST’s schedule, and as a general principle, the choice of RSA key size and the choice of symmetric algorithms are independent, both being driven by the desired security level.
	www.rsasecurity.com /rsalabs/node.asp?id=2004 (2885 words)

	How Big are 1024 bit RSA Keys
		The "private key" is usually described as a number pair consisting of the same key Modulus and a private exponent D. D is usually chosen to be about the same size as the modulus (~128 bytes).
		The RSA algorithm is an asymmetric key cipher using a "public key" and a "private key".
		The parameters that describe the RSA public and private keypair are selected to satisfy the fundamental strict dependency requirements of the RSA cipher, enabling either key to decrypt content encrypted with the other key.
	www.jensign.com /JavaScience/dotnet/CSPPrimes (270 words)

	example.properties
		By default, this # is inactive and we wakeup the checkpointer as a function of the # number of bytes written to the log.
		# minimum = 0 # maximum = 4294967296 #je.lock.timeout=500000 # (mutable at run time: false) # maximum starting size of a JE log buffer # minimum = 1024 #je.log.bufferSize=1048576 # (mutable at run time: false) # If true, perform a checksum check when reading entries from log.
		# minimum = 0 # maximum = 1000 #je.cleaner.restartRetries=5 # (mutable at run time: false) # The number of times to retry a file when cleaning fails because # the application is writing to the file.
	www.cs.umb.edu /cs639/SOFTWARE/je-1.5.3/example.properties (270 words)

	Large Disk HOWTO: Disk Access
		Slightly smarter BIOSes avoid the previous problem by first adjusting the number of heads to 15 (`revised ECHS'), so that a fake geometry with 240 heads can be obtained, good for 1024
		Thus, we have CHS encoded in three bytes, with 10 bits for the cylinder number, 8 bits for the head number, and 6 bits for the track sector number (numbered 1-63).
		At most 65536 cylinders (numbered 0-65535), 16 heads (numbered 0-15), 255 sectors/track (numbered 1-255), for a maximum total capacity of 267386880 sectors (of 512 bytes each), that is, 136902082560 bytes (137 GB).
	www.bigwebmaster.com /General/Howtos/Large-Disk-HOWTO-4.html (1072 words)

	February 1998/Fixed-Point Arithmetic for Embedded Systems
		The unsigned integer of Figure 2 can represent a number having a range of 0.0 to 2047.96875, while the signed integer can represent numbers between -1024.0 to 1023.96875.
		As the radix point moves to the left (increasing the portion of the string used to represent the number's fractional part) the fraction is represented more precisely and the overall range of the number diminishes (because there are fewer whole-number places left to represent it).
		In this scheme, the fixed-point number is actually represented using an integer, whereas the exponent is maintained mentally by the programmer.
	www.tcnj.edu /~hernande/cujv5/html/16.02/labrosse/labrosse.htm (2400 words)

	\bf IEEE 754 Floating Point Standard\hskip1in
		1; there are as many numbers between 1 and 2 as there are between 512 and 1024.
		Denormal numbers are typically implemented in software, so they are slower by a couple of orders of magnitude.
		The default mode rounds to the nearest number, and, in case of ties, rounds to make the last bit 0.
	www.cs.unc.edu /~snoeyink/c/c205/ho3.htm (413 words)

	Generating strong prime numbers for RSA using probabilistic Rabin-Miller algorithm
		Due to the fast progress in factorization algorithms used to break RSA, it is currently recommended to use 384, 512, or even 1024-bit primes.
		The minimum length of these primes used in today's RSA implementations is 256 bits, which corresponds to numbers in the range 10^75.
		This program utilizes Rabin-Miller algorithm to produce two prime numbers of length k bits where k is specified by the user.
	mason.gmu.edu /~kgaj/ECE590/spec/dong.html (413 words)

	Sequences
		(A005179 arranged by number of divisors: 1, 2, 4, 6, 16, 12, 64, 24, 36, 48, 1024, 60, 4096, 192, 144, 120, 65536, 180, 262144, 240, 576, 3072, 4194304, 360, 1296, 12288, 900, 960, 268435456, 720, 1073741824, 840, 9216, 196608, 5184, 1260, 68719476736, 786432, 36864, 1680, 1099511627776, 2880)
		*number name as if in base 36: A072922 referring to integer resulting from interpreting English name as if in base 36 -- 1652100, 31946, 38760, 49537526, 732051, 724298, 36969, 47723135, 24375809, 1097258, 38111, 882492287, 1807948346, 2310701170991, 1242626638127, 33766692143, 62095095599, 1165465079087, 1137277763375, 1842973464623
		*number name as if in base 27: A072959 referring to integer resulting from interpreting English name as if in Sallows' base 27 -- 11318, 15216, 10799546, 129618, 125258, 14118, 10211981, 2839691, 282506, 14729, 78236429, 299309045, 212445551527, 68884716992, 2457249197, 7503281492, 5427065792075, 55893641747, 150135668600, 299310469
	untilheaven.tripod.com /id112.htm (6363 words)

	Solar Eclipses: -1099 to -1000
		Number of Years with 2 Eclipses: 74 Number of Years with 3 Eclipses: 16 Number of Years with 4 Eclipses: 9 Number of Years with 5 Eclipses: 1 (-1089) Two eclipses in same month: -1035 Aug Two eclipses in same month: -1024 Jul Two eclipses in same month: -1013 Jun
		In this catalog, dates are counted using the astronomical numbering system which recognizes the year 0.
		Historians should note the numerical difference of one year between astronomical dates and BCE dates.
	sunearth.gsfc.nasa.gov /eclipse/SEcat/SE-1099--1000.html (6363 words)

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