Sixty-one
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|---|---|---|---|---|
| Cardinal | sixty-one | |||
| Ordinal | 61st (sixty-first) |
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| Factorization | prime | |||
| Divisors | 1, 61 | |||
| Greek numeral | ΞΑ´ | |||
| Roman numeral | LXI | |||
| Binary | 1111012 | |||
| Ternary | 20213 | |||
| Quaternary | 3314 | |||
| Quinary | 2215 | |||
| Senary | 1416 | |||
| Octal | 758 | |||
| Duodecimal | 5112 | |||
| Hexadecimal | 3D16 | |||
| Vigesimal | 3120 | |||
| Base 36 | 1P36 | |||
61 (sixty-one) is the natural number following 60 and preceding 62.
61 is:
In the list of Fortunate numbers, 61 occurs thrice, since adding 61 to either the tenth, twelfth or seventeenth primorial gives a prime number (namely 6,469,693,291; 7,420,738,134,871; and 1,922,760,350,154,212,639,131).
Sixty-one is:
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Wikipedia