Compare 81373 vs 81379
| Property | 81373 | 81379 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 813731 | 171 × 47871 |
| Prime factorization | 81373 | 17 × 4787 |
| Divisors count | 2 | 4 |
| Divisors | 1, 81373 | 1, 17, 4787, 81379 |
| Number of properties | 4 | 1 |
| Left-truncatable primes | 302nd | |
| Primes | 7964th | |
| Pythagorean primes | 3967th | |
| Semiprimes | 19219th | |
| Twin primes (2nd member) | 1026th | |
| Roman numberals | ||
| Base 2 | 100111101110111012 | 100111101111000112 |
| Base 3 | 110101212113 | 110101220013 |
| Base 4 | 1033131314 | 1033132034 |
| Base 5 | 101004435 | 101010045 |
| Base 6 | 14244216 | 14244316 |
| Base 7 | 4561457 | 4561547 |
| Base 8 | 2367358 | 2367438 |
| Base 9 | 1335549 | 1335619 |
| Base 10 | 8137310 | 8137910 |
| Base 11 | 5615611 | 5616111 |
| Base 12 | 3b11112 | 3b11712 |
| Base 13 | 2b06613 | 2b06c13 |
| Base 14 | 2192514 | 2192b14 |
| Base 15 | 1919d15 | 191a415 |
| Base 16 | 13ddd16 | 13de316 |