1. Numbers
  2. Compare 199811 vs 199931

Compare 199811 vs 199931

Property199811199931
Typeprimeprime
Unique factors11
Total factors11
Prime factorization19981111999311
Prime factorization199811199931
Divisors count22
Divisors1, 1998111, 199931
Number of properties86
Additive primes7214th 
Chen primes7520th7524th
Cousin primes (2nd member)2134th 
Emirps 4276th
Harmonic primes6753rd6757th
Long primes6734th6736th
Primes17970th17980th
Prime triplets (2nd member)840th 
Twin primes (1st member)2159th2160th
Roman numberals  
Base 211000011001000001121100001100111110112
Base 310101100210231010110202123
Base 430030200343003033234
Base 5223432215223442115
Base 64141015641413356
Base 71461353714616147
Base 860620386063738
Base 933407293342259
Base 101998111019993110
Base 111271371112723611
Base 129776b129784b12
Base 136cc41137000413
Base 1452b631452c0b14
Base 153e30b153e38b15
Base 1630c831630cfb16
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