1. Numbers
  2. Compare 19889 vs 19901

Compare 19889 vs 19901

Property1988919901
Typeprimesemiprime
Unique factors12
Total factors12
Prime factorization19889171 × 28431
Prime factorization198897 × 2843
Divisors count24
Divisors1, 198891, 7, 2843, 19901
Number of properties81
Chen primes1106th 
Good primes255th 
Happy primes374th 
Harmonic primes814th 
Primes2249th 
Pythagorean primes1118th 
Semiprimes 5062nd
Sophie germain primes323rd 
Twin primes (1st member)340th 
Roman numberals  
Base 210011011011000121001101101111012
Base 31000021122310000220023
Base 4103123014103123314
Base 51114024511141015
Base 623202562320456
Base 711166271120107
Base 8466618466758
Base 9302489302629
Base 1019889101990110
Base 1113a411113a5211
Base 12b61512b62512
Base 13908c13909b13
Base 14736914737714
Base 155d5e155d6b15
Base 164db1164dbd16
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