1. Numbers
  2. Compare 16421 vs 16661

Compare 16421 vs 16661

Property1642116661
Typeprimeprime
Unique factors11
Total factors11
Prime factorization164211166611
Prime factorization1642116661
Divisors count22
Divisors1, 164211, 16661
Number of properties108
Chen primes957th971st
Cousin primes (2nd member)305th309th
Harmonic primes 699th
Isolated primes1324th1343rd
Long primes735th745th
Palindromic primes 39th
Primes1903rd1928th
Pythagorean primes943rd956th
Sexy primes (1st member)594th 
Sexy prime triplets (1st member)167th 
Sophie germain primes282nd 
Ulam primes141st 
Roman numberals  
Base 210000000010010121000001000101012
Base 321111201232112120023
Base 4100002114100101114
Base 51011141510131215
Base 620400562050456
Base 7656067664017
Base 8400458404258
Base 9244659247629
Base 1016421101666110
Base 1111379111157711
Base 12960512978512
Base 13762213777813
Base 145dad14610114
Base 154ceb154e0b15
Base 16402516411516
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