Compare 163986 vs 163987
Property | 163986 | 163987 |
---|---|---|
Type | composite number | prime |
Unique factors | 4 | 1 |
Total factors | 4 | 1 |
Prime factorization | 21 × 31 × 1511 × 1811 | 1639871 |
Prime factorization | 2 × 3 × 151 × 181 | 163987 |
Divisors count | 16 | 2 |
Divisors | 1, 2, 3, 6, 151, 181, 302, 362, 453, 543, 906, 1086, 27331, 54662, 81993, 163986 | 1, 163987 |
Number of properties | 0 | 9 |
Cousin primes (1st member) | 1811th | |
Harmonic primes | 5635th | |
Isolated primes | 11340th | |
Primes | 15013th | |
Prime triplets (1st member) | 716th | |
Sexy primes (1st member) | 3636th | |
Sexy primes (2nd member) | 3635th | |
Sexy prime triplets (2nd member) | 751st | |
Super primes | 1755th | |
Roman numberals | ||
Base 2 | 1010000000100100102 | 1010000000100100112 |
Base 3 | 220222211203 | 220222211213 |
Base 4 | 2200021024 | 2200021034 |
Base 5 | 202214215 | 202214225 |
Base 6 | 33031106 | 33031116 |
Base 7 | 12520447 | 12520457 |
Base 8 | 5002228 | 5002238 |
Base 9 | 2688469 | 2688479 |
Base 10 | 16398610 | 16398710 |
Base 11 | 10222911 | 10222a11 |
Base 12 | 7aa9612 | 7aa9712 |
Base 13 | 5984413 | 5984513 |
Base 14 | 43a9414 | 43a9514 |
Base 15 | 338c615 | 338c715 |
Base 16 | 2809216 | 2809316 |