Numbers 510-519

A page of the Numeropedia - the Special Encyclopedia of Numbers

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510

[Tech.]  510(W) is one of standard numerical values for resistors (of tolerance class 5%). 510pF (picofarads) is one of standard numerical values for capacitors.

[Math.]  The denominator of the Bernoulli numbers: B16 = 3617/510 and B32 = 7709321041217/510…

511

[Phone]  The telephone number dialing within the U.S. for travel or traffic information request. This number cannot be used as area code.

[Phone]   A 7-digit number after an NANPA/U.S. 3-digit area code cannot start with 0nm, 1nm or 8 other 3-digit numbers: 211, 311, 411, 511, 611, 711, 811 and 911.  (NANPA: North American Numbering Plan Administration).

512

[Math.]  109 = 1,000,000,000 = 29×59 = 512×1,953,125, a power of 10 that can be represented as the product of 2 numbers, which have no digit 0.

[Math.]  Two cube numbers using the same digits: 53 = 125 and 83 = 512.  Also: 353 = 42875 and 383 = 54872.

[Math.]  512 = (5+1+2)3 = 83.

[Library]  First 3 digits in Dewey Decimal Classification System call numbers for library books in Algebra and Number Theory.

[Tech.]   The standard minimum number of bits using in a smart card.

[Tech.]   The hash functions recommended and approved by NIST to replace SHA-1, which outputs 160 bits hash: SHA-512, SHA-384, SHA-256 and SHA-224. All 3-digit number indicates the number of output bits.

[World]  The ISO-3166 country code for Oman, Sultanate of (was Muscat and Oman).

513

[Library]  First 3 digits in Dewey Decimal Classification System call numbers for library books in Arithmetic.

514 & 515 …

516

[Library]  First 3 digits in Dewey Decimal Classification System call numbers for library books in Geometry.

[World]  The ISO-3166 country code for Namibia.

517

[Library]  ISBN-0-517 is the International Standard Book Number for books published by Crescent Books (or Greenwich House, Crown Publishers, Orion Books).

518

[Math.] 518 = 51+12+83.

519

[Library]  First 3 digits in Dewey Decimal Classification System call numbers for library books in Probabilities and Applied Mathematics.

510-519

[Library]  Numbers 500-599 are the first 3 digits in Dewey Decimal Classification System call numbers for library books in Pure Sciences (Mathematics, Astronomy and Chemistry…). Numbers 510-519 are for books in Mathematics.