Compare 28151 vs 28387
| Property | 28151 | 28387 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 281511 | 283871 |
| Prime factorization | 28151 | 28387 |
| Divisors count | 2 | 2 |
| Divisors | 1, 28151 | 1, 28387 |
| Number of properties | 5 | 6 |
| Additive primes | 1405th | |
| Chen primes | 1492nd | 1503rd |
| Good primes | 314th | |
| Happy primes | 497th | |
| Harmonic primes | 1145th | |
| Isolated primes | 2175th | 2185th |
| Primes | 3070th | 3088th |
| Sexy primes (1st member) | 908th | |
| Roman numberals | ||
| Base 2 | 1101101111101112 | 1101110111000112 |
| Base 3 | 11021211223 | 11022211013 |
| Base 4 | 123133134 | 123232034 |
| Base 5 | 14001015 | 14020225 |
| Base 6 | 3341556 | 3352316 |
| Base 7 | 1450347 | 1455227 |
| Base 8 | 667678 | 673438 |
| Base 9 | 425489 | 428419 |
| Base 10 | 2815110 | 2838710 |
| Base 11 | 1a17211 | 1a36711 |
| Base 12 | 1435b12 | 1451712 |
| Base 13 | ca7613 | cbc813 |
| Base 14 | a38b14 | a4b914 |
| Base 15 | 851b15 | 862715 |
| Base 16 | 6df716 | 6ee316 |