1. Numbers
  2. Compare 19999 vs 20011

Compare 19999 vs 20011

Property1999920011
Typesemiprimeprime
Unique factors21
Total factors21
Prime factorization71 × 28571200111
Prime factorization7 × 285720011
Divisors count42
Divisors1, 7, 2857, 199991, 20011
Number of properties13
Centered triangular primes 27th
Isolated primes 1580th
Primes 2263rd
Semiprimes5081st 
Roman numberals  
Base 210011100001111121001110001010112
Base 31000102201310001100113
Base 4103201334103202234
Base 51114444511200215
Base 623233162323516
Base 711221071122257
Base 8470378470538
Base 9303819304049
Base 1019999102001110
Base 1114031111404211
Base 12b6a712b6b712
Base 13914513915413
Base 14740714741514
Base 155dd4155de115
Base 164e1f164e2b16
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