Compare 81271 vs 81283
| Property | 81271 | 81283 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 671 × 12131 | 812831 |
| Prime factorization | 67 × 1213 | 81283 |
| Divisors count | 4 | 2 |
| Divisors | 1, 67, 1213, 81271 | 1, 81283 |
| Number of properties | 1 | 3 |
| Left-truncatable primes | 301st | |
| Primes | 7954th | |
| Semiprimes | 19200th | |
| Twin primes (2nd member) | 1025th | |
| Roman numberals | ||
| Base 2 | 100111101011101112 | 100111101100000112 |
| Base 3 | 110101110013 | 110101111113 |
| Base 4 | 1033113134 | 1033120034 |
| Base 5 | 101000415 | 101001135 |
| Base 6 | 14241316 | 14241516 |
| Base 7 | 4556417 | 4556567 |
| Base 8 | 2365678 | 2366038 |
| Base 9 | 1334319 | 1334449 |
| Base 10 | 8127110 | 8128310 |
| Base 11 | 5607311 | 5608411 |
| Base 12 | 3b04712 | 3b05712 |
| Base 13 | 2acb813 | 2acc713 |
| Base 14 | 2189114 | 2189d14 |
| Base 15 | 1913115 | 1913d15 |
| Base 16 | 13d7716 | 13d8316 |