1. Numbers
  2. Compare 19889 vs 19900

Compare 19889 vs 19900

Property1988919900
Typeprimecomposite number
Unique factors13
Total factors15
Prime factorization19889122 × 52 × 1991
Prime factorization198892 × 2 × 5 × 5 × 199
Divisors count218
Divisors1, 198891, 2, 4, 5, 10, 20, 25, 50, 100, 199, 398, 796, 995, 1990, 3980, 4975, 9950, 19900
Number of properties80
Chen primes1106th 
Good primes255th 
Happy primes374th 
Harmonic primes814th 
Primes2249th 
Pythagorean primes1118th 
Sophie germain primes323rd 
Twin primes (1st member)340th 
Roman numberals  
Base 210011011011000121001101101111002
Base 31000021122310000220013
Base 4103123014103123304
Base 51114024511141005
Base 623202562320446
Base 711166271120067
Base 8466618466748
Base 9302489302619
Base 1019889101990010
Base 1113a411113a5111
Base 12b61512b62412
Base 13908c13909a13
Base 14736914737614
Base 155d5e155d6a15
Base 164db1164dbc16
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