1. Numbers
  2. Compare 242 vs 251

Compare 242 vs 251

Property242251
Typecomposite numberprime
Unique factors21
Total factors31
Prime factorization21 × 1122511
Prime factorization2 × 11 × 11251
Divisors count62
Divisors1, 2, 11, 22, 121, 2421, 251
Number of properties010
Chen primes 41st
Good primes 19th
Harmonic primes 20th
Isolated primes 21st
Primes 54th
Sexy primes (1st member) 30th
Sexy prime quadrupletss (1st member) 5th
Sexy prime triplets (1st member) 15th
Solinas primes 30th
Sophie germain primes 18th
Roman numberalsCCXLIICCLI
Base 2111100102111110112
Base 32222231000223
Base 43302433234
Base 51432520015
Base 61042610556
Base 746475067
Base 836283738
Base 928893089
Base 102421025110
Base 112001120911
Base 121821218b12
Base 131581316413
Base 141341413d14
Base 151121511b15
Base 16f216fb16
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