1. Numbers
  2. Compare 12821 vs 16661

Compare 12821 vs 16661

Property1282116661
Typeprimeprime
Unique factors11
Total factors11
Prime factorization128211166611
Prime factorization1282116661
Divisors count22
Divisors1, 128211, 16661
Number of properties88
Chen primes776th971st
Cousin primes (2nd member) 309th
Harmonic primes547th699th
Isolated primes 1343rd
Long primes594th745th
Palindromic primes28th39th
Primes1528th1928th
Pythagorean primes757th956th
Sophie germain primes232nd 
Twin primes (1st member)245th 
Roman numberals  
Base 21100100001010121000001000101012
Base 312212021232112120023
Base 430201114100101114
Base 5402241510131215
Base 613520562050456
Base 7522447664017
Base 8310258404258
Base 9185259247629
Base 1012821101666110
Base 1196a6111157711
Base 12750512978512
Base 135ab313777813
Base 14495b14610114
Base 153beb154e0b15
Base 16321516411516
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