Compare 81434 vs 81439
| Property | 81434 | 81439 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 191 × 21431 | 814391 |
| Prime factorization | 2 × 19 × 2143 | 81439 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 19, 38, 2143, 4286, 40717, 81434 | 1, 81439 |
| Number of properties | 0 | 5 |
| Harmonic primes | 3009th | |
| Isolated primes | 5917th | |
| Lucky primes | 1074th | |
| Primes | 7968th | |
| Ulam primes | 581st | |
| Roman numberals | ||
| Base 2 | 100111110000110102 | 100111110000111112 |
| Base 3 | 110102010023 | 110102010213 |
| Base 4 | 1033201224 | 1033201334 |
| Base 5 | 101012145 | 101012245 |
| Base 6 | 14250026 | 14250116 |
| Base 7 | 4562637 | 4563017 |
| Base 8 | 2370328 | 2370378 |
| Base 9 | 1336329 | 1336379 |
| Base 10 | 8143410 | 8143910 |
| Base 11 | 5620111 | 5620611 |
| Base 12 | 3b16212 | 3b16712 |
| Base 13 | 2b0b213 | 2b0b713 |
| Base 14 | 2196a14 | 2197114 |
| Base 15 | 191de15 | 191e415 |
| Base 16 | 13e1a16 | 13e1f16 |