Numbers 97,000s

A page of the Numeropedia - the Special Encyclopedia of Numbers

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97,301

[Zip]  U.S. Postal Zip Code: Four Corners, Oregon 97301.

97,336

[Math.]  The largest 5-digit cube number = 463.

97,344

[Math.]  3122 = 143+153+163+173+183+193+203+213+223+233+243+253 = 97334.

97,523

[Math.]  8641´97523 = 842,696,243, the largest number whose factorization uses each of 9 digits 1-9 once.

97,524

[Math.]  Each ratio 97524/10836 = 95823/10647 = 95742/10638 = 9 uses each of 10 digits 0-9 once.

97,707

[Zip]  U.S. Postal Zip Code: Three Rivers, Oregon 97707.

97,779

[Math.]  977792 = 9,560,732,841, a square number using each of 10 digits 0-9 once. (The 84th of 87 such numbers). One of only 3 palindromic numbers to be such a root.

97,946

[Math.]  The 2nd known amicable/sociable number chain: 14316 → 19116 → 31704 → 47616 → 83328 → 177792 → 295488 → 629072 → 589786 → 294896 → 358336 → 418904 → 366556 → 274924 → 275444 → 243760 → 376736 → 381028 → 285778 → 152990 → 122410 → 97946 → 48976 → 45946 → 22976 → 22744 → 19916 → 17716 → 14316. (of 28 links, currently the longest, found by Poulet, 1918).

97nnn

[Zip]  U.S. Postal Zip Codes of Oregon: 97nnn.