1. Numbers
  2. Compare 251 vs 252

Compare 251 vs 252

Property251252
Typeprimecomposite number
Unique factors13
Total factors15
Prime factorization251122 × 32 × 71
Prime factorization2512 × 2 × 3 × 3 × 7
Divisors count218
Divisors1, 2511, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252
Number of properties100
Chen primes41st 
Good primes19th 
Harmonic primes20th 
Isolated primes21st 
Primes54th 
Sexy primes (1st member)30th 
Sexy prime quadrupletss (1st member)5th 
Sexy prime triplets (1st member)15th 
Solinas primes30th 
Sophie germain primes18th 
Roman numberalsCCLICCLII
Base 2111110112111111002
Base 310002231001003
Base 43323433304
Base 52001520025
Base 61055611006
Base 750675107
Base 837383748
Base 930893109
Base 102511025210
Base 112091120a11
Base 1218b1219012
Base 131641316513
Base 1413d1414014
Base 1511b1511c15
Base 16fb16fc16
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