1. Numbers
  2. Compare 16421 vs 18121

Compare 16421 vs 18121

Property1642118121
Typeprimeprime
Unique factors11
Total factors11
Prime factorization164211181211
Prime factorization1642118121
Divisors count22
Divisors1, 164211, 18121
Number of properties107
Additive primes 975th
Chen primes957th 
Cousin primes (2nd member)305th 
Harmonic primes 751st
Isolated primes1324th 
Long primes735th 
Primes1903rd2076th
Pythagorean primes943rd1025th
Sexy primes (1st member)594th640th
Sexy prime triplets (1st member)167th178th
Sophie germain primes282nd 
Twin primes (2nd member) 319th
Ulam primes141st 
Roman numberals  
Base 210000000010010121000110110010012
Base 321111201232202120113
Base 4100002114101230214
Base 51011141510344415
Base 620400562155216
Base 76560671035557
Base 8400458433118
Base 9244659267649
Base 1016421101812110
Base 1111379111268411
Base 12960512a5a112
Base 13762213832c13
Base 145dad14686514
Base 154ceb15558115
Base 1640251646c916
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