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| 59 | |
|---|---|
| Cardinal | fifty-nine |
| Ordinal | 59th (fifty-ninth) |
| Factorization | prime |
| Divisors | 1, 59 |
| Roman numeral | LIX |
| Binary | 1110112 |
| Octal | 738 |
| Duodecimal | 4B12 |
| Hexadecimal | 3B16 |
59 (fifty-nine) is the natural number following 58 and preceding 60.
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Fifty-nine is the 17th smallest prime number. The next is sixty-one, with which it comprises a twin prime. 59 is an irregular prime, a safe prime and the 14th supersingular prime. It is an Eisenstein prime with no imaginary part and real part of the form
. Since 15 + 1 is divisible by 59 but 59 is not one more than a multiple of 15, 59 is a Pillai prime.
It is also a highly cototient number.
There are 59 stellations of the icosahedron.[1]
59 is one of the factors that divides the smallest composite Euclid number. In this case 59 divides the Euclid number 13# + 1 = 2 * 3 * 5 * 7 * 11 * 13 + 1 = 59 * 509.
Fifty-nine is:
59 A.D., 59 B.C., 1959, 2059, etc.
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