Compare 101991 vs 101999
| Property | 101991 | 101999 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 339971 | 1019991 |
| Prime factorization | 3 × 33997 | 101999 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 33997, 101991 | 1, 101999 |
| Number of properties | 1 | 6 |
| Additive primes | 3970th | |
| Chen primes | 4299th | |
| Emirps | 1698th | |
| Primes | 9766th | |
| Semiprimes | 23820th | |
| Sophie germain primes | 1191st | |
| Twin primes (1st member) | 1240th | |
| Roman numberals | ||
| Base 2 | 110001110011001112 | 110001110011011112 |
| Base 3 | 120112201103 | 120112202023 |
| Base 4 | 1203212134 | 1203212334 |
| Base 5 | 112304315 | 112304445 |
| Base 6 | 21041036 | 21041156 |
| Base 7 | 6032317 | 6032427 |
| Base 8 | 3071478 | 3071578 |
| Base 9 | 1648139 | 1648229 |
| Base 10 | 10199110 | 10199910 |
| Base 11 | 6a69a11 | 6a6a711 |
| Base 12 | 4b03312 | 4b03b12 |
| Base 13 | 3756613 | 3757113 |
| Base 14 | 2925114 | 2925914 |
| Base 15 | 2034615 | 2034e15 |
| Base 16 | 18e6716 | 18e6f16 |