1. Numbers
  2. Compare 428 vs 431

Compare 428 vs 431

Property428431
Typecomposite numberprime
Unique factors21
Total factors31
Prime factorization22 × 10714311
Prime factorization2 × 2 × 107431
Divisors count62
Divisors1, 2, 4, 107, 214, 4281, 431
Number of properties010
Chen primes 59th
Class 1+ primes 16th
Good primes 27th
Harmonic primes 31st
Pierpont primes of the 2nd kind 16th
Primes 83rd
Sophie germain primes 23rd
Super primes 23rd
Twin primes (1st member) 23rd
Ulam primes 12th
Roman numberalsCDXXVIIICDXXXI
Base 211010110021101011112
Base 312021231202223
Base 4122304122334
Base 53203532115
Base 61552615556
Base 71151711547
Base 865486578
Base 952595289
Base 104281043110
Base 1135a1136211
Base 122b8122bb12
Base 1326c1327213
Base 142281422b14
Base 151d8151db15
Base 161ac161af16
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