Compare 145 vs 151
Property | 145 | 151 |
---|---|---|
Type | semiprime | prime |
Unique factors | 2 | 1 |
Total factors | 2 | 1 |
Prime factorization | 51 × 291 | 1511 |
Prime factorization | 5 × 29 | 151 |
Divisors count | 4 | 2 |
Divisors | 1, 5, 29, 145 | 1, 151 |
Number of properties | 1 | 9 |
Additive primes | 20th | |
Centered decagonal primes | 5th | |
Lucky primes | 11th | |
Multiplicative primes | 11th | |
Palindromic primes | 8th | |
Primes | 36th | |
Semiprimes | 49th | |
Sexy primes (1st member) | 21st | |
Sexy prime triplets (1st member) | 12th | |
Twin primes (2nd member) | 12th | |
Roman numberals | CXLV | CLI |
Base 2 | 100100012 | 100101112 |
Base 3 | 121013 | 121213 |
Base 4 | 21014 | 21134 |
Base 5 | 10405 | 11015 |
Base 6 | 4016 | 4116 |
Base 7 | 2657 | 3047 |
Base 8 | 2218 | 2278 |
Base 9 | 1719 | 1779 |
Base 10 | 14510 | 15110 |
Base 11 | 12211 | 12811 |
Base 12 | 10112 | 10712 |
Base 13 | b213 | b813 |
Base 14 | a514 | ab14 |
Base 15 | 9a15 | a115 |
Base 16 | 9116 | 9716 |