1. Numbers
  2. Compare 12821 vs 12830

Compare 12821 vs 12830

Property1282112830
Typeprimecomposite number
Unique factors13
Total factors13
Prime factorization12821121 × 51 × 12831
Prime factorization128212 × 5 × 1283
Divisors count28
Divisors1, 128211, 2, 5, 10, 1283, 2566, 6415, 12830
Number of properties80
Chen primes776th 
Harmonic primes547th 
Long primes594th 
Palindromic primes28th 
Primes1528th 
Pythagorean primes757th 
Sophie germain primes232nd 
Twin primes (1st member)245th 
Roman numberals  
Base 2110010000101012110010000111102
Base 312212021231221210123
Base 43020111430201324
Base 540224154023105
Base 613520561352226
Base 7522447522567
Base 8310258310368
Base 9185259185359
Base 1012821101283010
Base 1196a611970411
Base 12750512751212
Base 135ab3135abc13
Base 14495b14496614
Base 153beb153c0515
Base 16321516321e16
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