1. Numbers
  2. Compare 19984 vs 19991

Compare 19984 vs 19991

Property1998419991
Typecomposite numberprime
Unique factors21
Total factors51
Prime factorization24 × 12491199911
Prime factorization2 × 2 × 2 × 2 × 124919991
Divisors count102
Divisors1, 2, 4, 8, 16, 1249, 2498, 4996, 9992, 199841, 19991
Number of properties09
Additive primes 1049th
Chen primes 1111th
Harmonic primes 820th
Palindromic primes 46th
Primes 2260th
Prime triplets (1st member) 168th
Sexy primes (1st member) 693rd
Sophie germain primes 326th
Twin primes (1st member) 342nd
Roman numberals  
Base 210011100001000021001110000101112
Base 31000102011310001021023
Base 4103201004103201134
Base 51114414511144315
Base 623230462323156
Base 711215671121667
Base 8470208470278
Base 9303649303729
Base 1019984101999110
Base 1114018111402411
Base 12b69412b69b12
Base 13913313913a13
Base 1473d61473dd14
Base 155dc4155dcb15
Base 164e10164e1716
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