Numbers 67,000s

A page of the Numeropedia - the Special Encyclopedia of Numbers

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67,032

[Math.]  Two multiples of number 8379, 8379×5 = 41,895 and 8379×8 = 67,032, use each of 10 digits 0-9 once.

67,095

[Math.]  A pair of all-odd amicable numbers (67095, 71145).

67,152

[Math.]  The ratio 67152/8394 = 8, using each of 9 digits 1-9 once, shows how to arrange a 9-book set on 2 shelves to mark the book #8.

67,171

[Math.]  The sum s(n) = 14n+2+24n+2+34n+2+44n+2+54n+2+64n+2 is always divisible by 13 for any integer n ³ 0: s(1) = 16+26+36+46+56+66 = 67171.

67,204

[Trivia]  In 1913, the CCH Standard Federal Tax Reporter, which spells out the U.S Tax code in all its riveting detail, was 400-page long. In 2007, it has 67,204 pages.

67,352

[Math.]  The ratio 67352/8419 = 8, using each of 9 digits 1-9 once, shows how to arrange a 9-book set on 2 shelves to mark the book #8.

67,403

[Math.]  Two multiples of number 9629, 9629×2 = 19,258 and 9629×7 = 67,403, use each of 10 digits 0-9 once.

67,512

[Math.]  The ratio 67512/8439 = 8, using each of 9 digits 1-9 once, shows how to arrange a 9-book set on 2 shelves to mark the book #8.

67,677

[Math.]  676772 = 4,580,176,329, a square number using each of 10 digits 0-9 once. (The 47th of 87 such numbers).

67nnn

[Zip]  U.S. Postal Zip Codes of Kansas: 66nnn-67nnn.