Compare 256115 vs 256121
| Property | 256115 | 256121 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 51 × 1811 × 2831 | 2561211 |
| Prime factorization | 5 × 181 × 283 | 256121 |
| Divisors count | 8 | 2 |
| Divisors | 1, 5, 181, 283, 905, 1415, 51223, 256115 | 1, 256121 |
| Number of properties | 0 | 5 |
| Additive primes | 9113th | |
| Cousin primes (2nd member) | 2633rd | |
| Harmonic primes | 8397th | |
| Isolated primes | 17268th | |
| Primes | 22535th | |
| Roman numberals | ||
| Base 2 | 1111101000011100112 | 1111101000011110012 |
| Base 3 | 1110000222023 | 1110000222223 |
| Base 4 | 3322013034 | 3322013214 |
| Base 5 | 311434305 | 311434415 |
| Base 6 | 52534156 | 52534256 |
| Base 7 | 21144567 | 21144657 |
| Base 8 | 7641638 | 7641718 |
| Base 9 | 4302829 | 4302889 |
| Base 10 | 25611510 | 25612110 |
| Base 11 | 16547211 | 16547811 |
| Base 12 | 10426b12 | 10427512 |
| Base 13 | 8c76213 | 8c76813 |
| Base 14 | 6949d14 | 694a514 |
| Base 15 | 50d4515 | 50d4b15 |
| Base 16 | 3e87316 | 3e87916 |