1. Numbers
  2. Compare 199819 vs 199909

Compare 199819 vs 199909

Property199819199909
Typeprimeprime
Unique factors11
Total factors11
Prime factorization19981911999091
Prime factorization199819199909
Divisors count22
Divisors1, 1998191, 199909
Number of properties74
Additive primes7216th7220th
Isolated primes13655th13661st
Long primes6735th 
Lucky primes2315th 
Primes17972nd17978th
Pythagorean primes 8974th
Sexy primes (2nd member)4294th 
Sexy prime triplets (3rd member)865th 
Roman numberals  
Base 211000011001000101121100001100111001012
Base 310101100220131010110200013
Base 430030202343003032114
Base 5223432345223441145
Base 64141031641413016
Base 71461364714615537
Base 860621386063458
Base 933408193342019
Base 101998191019990910
Base 111271441112721611
Base 1297777129783112
Base 136cc49136ccb813
Base 1452b6b1452bd314
Base 153e314153e37415
Base 1630c8b1630ce516
This website uses cookies to ensure you get the best experience on our website. More info