Compare 861231 vs 861239
| Property | 861231 | 861239 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 71 × 410111 | 8612391 |
| Prime factorization | 3 × 7 × 41011 | 861239 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 7, 21, 41011, 123033, 287077, 861231 | 1, 861239 |
| Number of properties | 0 | 4 |
| Additive primes | 26412th | |
| Chen primes | 26342nd | |
| Isolated primes | 54067th | |
| Primes | 68440th | |
| Roman numberals | ||
| Base 2 | 110100100100001011112 | 110100100100001101112 |
| Base 3 | 11212021011103 | 11212021012023 |
| Base 4 | 31021002334 | 31021003134 |
| Base 5 | 2100244115 | 2100244245 |
| Base 6 | 302431036 | 302431156 |
| Base 7 | 102146107 | 102146217 |
| Base 8 | 32220578 | 32220678 |
| Base 9 | 15523439 | 15523529 |
| Base 10 | 86123110 | 86123910 |
| Base 11 | 53906811 | 53907511 |
| Base 12 | 35649312 | 35649b12 |
| Base 13 | 24200713 | 24201213 |
| Base 14 | 185c0714 | 185c1114 |
| Base 15 | 1202a615 | 1202ae15 |
| Base 16 | d242f16 | d243716 |