Compare 145 vs 157
Property | 145 | 157 |
---|---|---|
Type | semiprime | prime |
Unique factors | 2 | 1 |
Total factors | 2 | 1 |
Prime factorization | 51 × 291 | 1571 |
Prime factorization | 5 × 29 | 157 |
Divisors count | 4 | 2 |
Divisors | 1, 5, 29, 145 | 1, 157 |
Number of properties | 1 | 11 |
Additive primes | 21st | |
Chen primes | 30th | |
Emirps | 12th | |
Harmonic primes | 13th | |
Isolated primes | 14th | |
Primes | 37th | |
Pythagorean primes | 17th | |
Semiprimes | 49th | |
Sexy primes (1st member) | 22nd | |
Sexy primes (2nd member) | 21st | |
Sexy prime triplets (2nd member) | 12th | |
Super primes | 12th | |
Roman numberals | CXLV | CLVII |
Base 2 | 100100012 | 100111012 |
Base 3 | 121013 | 122113 |
Base 4 | 21014 | 21314 |
Base 5 | 10405 | 11125 |
Base 6 | 4016 | 4216 |
Base 7 | 2657 | 3137 |
Base 8 | 2218 | 2358 |
Base 9 | 1719 | 1849 |
Base 10 | 14510 | 15710 |
Base 11 | 12211 | 13311 |
Base 12 | 10112 | 11112 |
Base 13 | b213 | c113 |
Base 14 | a514 | b314 |
Base 15 | 9a15 | a715 |
Base 16 | 9116 | 9d16 |