172 (number)
Natural number
From Wikipedia, the free encyclopedia
172 (one hundred [and] seventy-two) is the natural number following 171 and preceding 173.
Cardinalone hundred seventy-two
Ordinal172nd
(one hundred seventy-second)
(one hundred seventy-second)
Factorization22 Ã 43
Divisors1, 2, 4, 43, 86, 172
| ||||
|---|---|---|---|---|
| Cardinal | one hundred seventy-two | |||
| Ordinal | 172nd (one hundred seventy-second) | |||
| Factorization | 22 Ã 43 | |||
| Divisors | 1, 2, 4, 43, 86, 172 | |||
| Greek numeral | ΡÎδ | |||
| Roman numeral | CLXXII, clxxii | |||
| Binary | 101011002 | |||
| Ternary | 201013 | |||
| Senary | 4446 | |||
| Octal | 2548 | |||
| Duodecimal | 12412 | |||
| Hexadecimal | AC16 | |||
In mathematics
172 is a part of a near-miss for being a counterexample to Fermat's Last Theorem, as 1353 + 1383 = 1723 â 1. This is only the third near-miss of this form, two cubes adding to one less than a third cube.[1] It is also a "thickened cube number", half an odd cube (73 = 343) rounded up to the next integer.[2]
