1. Numbers
  2. Compare 19910 vs 19919

Compare 19910 vs 19919

Property1991019919
Typecomposite numberprime
Unique factors41
Total factors41
Prime factorization21 × 51 × 111 × 1811199191
Prime factorization2 × 5 × 11 × 18119919
Divisors count162
Divisors1, 2, 5, 10, 11, 22, 55, 110, 181, 362, 905, 1810, 1991, 3982, 9955, 199101, 19919
Number of properties07
Additive primes 1046th
Chen primes 1107th
Harmonic primes 816th
Isolated primes 1573rd
Primes 2252nd
Sexy primes (2nd member) 691st
Sophie germain primes 325th
Roman numberals  
Base 210011011100011021001101110011112
Base 31000022102310000222023
Base 4103130124103130334
Base 51114120511141345
Base 623210262321156
Base 711202271120347
Base 8467068467178
Base 9302729302829
Base 1019910101991910
Base 1113a601113a6911
Base 12b63212b63b12
Base 1390a71390b313
Base 14738214738b14
Base 155d75155d7e15
Base 164dc6164dcf16
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