Compare 661121 vs 661127
Property | 661121 | 661127 |
---|---|---|
Type | prime | semiprime |
Unique factors | 1 | 2 |
Total factors | 1 | 2 |
Prime factorization | 6611211 | 1571 × 42111 |
Prime factorization | 661121 | 157 × 4211 |
Divisors count | 2 | 4 |
Divisors | 1, 661121 | 1, 157, 4211, 661127 |
Number of properties | 6 | 1 |
Additive primes | 20947th | |
Chen primes | 20992nd | |
Cousin primes (2nd member) | 5784th | |
Happy primes | 7607th | |
Isolated primes | 42079th | |
Primes | 53660th | |
Semiprimes | 141461st | |
Roman numberals | ||
Base 2 | 101000010110100000012 | 101000010110100001112 |
Base 3 | 10201202122223 | 10201202200123 |
Base 4 | 22011220014 | 22011220134 |
Base 5 | 1321234415 | 1321240025 |
Base 6 | 221004256 | 221004356 |
Base 7 | 54223167 | 54223257 |
Base 8 | 24132018 | 24132078 |
Base 9 | 12167889 | 12168059 |
Base 10 | 66112110 | 66112710 |
Base 11 | 41178a11 | 41179511 |
Base 12 | 27a71512 | 27a71b12 |
Base 13 | 1a1bc613 | 1a1bcc13 |
Base 14 | 132d0d14 | 132d1514 |
Base 15 | d0d4b15 | d0d5215 |
Base 16 | a168116 | a168716 |