Compare 137991 vs 137999
| Property | 137991 | 137999 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 71 × 65711 | 1379991 |
| Prime factorization | 3 × 7 × 6571 | 137999 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 7, 21, 6571, 19713, 45997, 137991 | 1, 137999 |
| Number of properties | 0 | 7 |
| Chen primes | 5534th | |
| Happy primes | 2008th | |
| Isolated primes | 9658th | |
| Primes | 12841st | |
| Sexy primes (2nd member) | 3167th | |
| Sophie germain primes | 1530th | |
| Super primes | 1531st | |
| Roman numberals | ||
| Base 2 | 1000011011000001112 | 1000011011000011112 |
| Base 3 | 210000212103 | 210000220023 |
| Base 4 | 2012300134 | 2012300334 |
| Base 5 | 134034315 | 134034445 |
| Base 6 | 25425036 | 25425156 |
| Base 7 | 11132107 | 11132217 |
| Base 8 | 4154078 | 4154178 |
| Base 9 | 2302539 | 2302629 |
| Base 10 | 13799110 | 13799910 |
| Base 11 | 9474711 | 9475411 |
| Base 12 | 67a3312 | 67a3b12 |
| Base 13 | 4aa6913 | 4aa7413 |
| Base 14 | 3840714 | 3841114 |
| Base 15 | 2ad4615 | 2ad4e15 |
| Base 16 | 21b0716 | 21b0f16 |