Compare 129719 vs 129721
| Property | 129719 | 129721 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 1297191 | 731 × 17771 |
| Prime factorization | 129719 | 73 × 1777 |
| Divisors count | 2 | 4 |
| Divisors | 1, 129719 | 1, 73, 1777, 129721 |
| Number of properties | 5 | 1 |
| Additive primes | 5005th | |
| Chen primes | 5248th | |
| Harmonic primes | 4573rd | |
| Isolated primes | 9108th | |
| Primes | 12139th | |
| Semiprimes | 29959th | |
| Roman numberals | ||
| Base 2 | 111111010101101112 | 111111010101110012 |
| Base 3 | 201202211023 | 201202211113 |
| Base 4 | 1332223134 | 1332223214 |
| Base 5 | 131223345 | 131223415 |
| Base 6 | 24403156 | 24403216 |
| Base 7 | 10501227 | 10501247 |
| Base 8 | 3752678 | 3752718 |
| Base 9 | 2168429 | 2168449 |
| Base 10 | 12971910 | 12972110 |
| Base 11 | 8950711 | 8950911 |
| Base 12 | 6309b12 | 630a112 |
| Base 13 | 4707513 | 4707713 |
| Base 14 | 353b914 | 353bb14 |
| Base 15 | 2867e15 | 2868115 |
| Base 16 | 1fab716 | 1fab916 |