Compare 66739 vs 67139
| Property | 66739 | 67139 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 667391 | 671391 |
| Prime factorization | 66739 | 67139 |
| Divisors count | 2 | 2 |
| Divisors | 1, 66739 | 1, 67139 |
| Number of properties | 8 | 7 |
| Additive primes | 2841st | |
| Chen primes | 3043rd | 3057th |
| Happy primes | 1037th | |
| Harmonic primes | 2499th | 2514th |
| Isolated primes | 4911th | |
| Long primes | 2519th | 2531st |
| Lucky primes | 912th | |
| Primes | 6652nd | 6688th |
| Safe primes | 487th | |
| Sexy primes (2nd member) | 1768th | |
| Twin primes (1st member) | 875th | |
| Roman numberals | ||
| Base 2 | 100000100101100112 | 100000110010000112 |
| Base 3 | 101011122113 | 101020021223 |
| Base 4 | 1001023034 | 1001210034 |
| Base 5 | 41134245 | 41220245 |
| Base 6 | 12325516 | 12344556 |
| Base 7 | 3654017 | 3665127 |
| Base 8 | 2022638 | 2031038 |
| Base 9 | 1114849 | 1120789 |
| Base 10 | 6673910 | 6713910 |
| Base 11 | 4616211 | 4649611 |
| Base 12 | 3275712 | 32a2b12 |
| Base 13 | 244ba13 | 2473713 |
| Base 14 | 1a47114 | 1a67914 |
| Base 15 | 14b9415 | 14d5e15 |
| Base 16 | 104b316 | 1064316 |