Numbers 68,000s

A page of the Numeropedia - the Special Encyclopedia of Numbers

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68,000

[EECS]  68K(W) is one of standard numerical values for resistors (of tolerance class 5%).

 

68000, 68008, 68010, 68020, 68030, 68040 & 68060

[Tech.]  Motorola CPU families: 6800 family (6800, 6809) and 68000 family (68000, 68008, 68010, 68020, 68030, 68040, 68060).

 

68,040

[Math.]  Sum (in degrees) of all internal angles of a 380-side polygon.

 

682nn

[Zip]  No such U.S. Postal Zip Codes.

 

68,751

[Math.]  Its odd powers end with 68,751. Its even powers end with 00,001.

 

68,763

[Math.]  687632 = 4,728,350,169, a square number using each of 10 digits 0-9 once. (The 48th of 87 such numbers).

 

68,781

[Math.]  687812 = 4,730,825,961, a square number using each of 10 digits 0-9 once. (The 49th of 87 such numbers).

 

68,906

[Math.]  The number of 6-digit prime numbers (from 100003 to 999983).

 

68,921

[Math.]  The smallest cube number that is a sum of 3 cube numbers in 2 ways:

68921 = 413 = 403+173+23 = 333+323+63.

 

68,952

[Math.]  68,952 = 312×221 and backward 213×122 = 25,986.

 

68nnn

[Zip]  U.S. Postal Zip Codes of Nebraska: 68nnn-69nnn.