1. Numbers
  2. Compare 19991 vs 20879

Compare 19991 vs 20879

Property1999120879
Typeprimeprime
Unique factors11
Total factors11
Prime factorization199911208791
Prime factorization1999120879
Divisors count22
Divisors1, 199911, 20879
Number of properties94
Additive primes1049th 
Chen primes1111th 
Harmonic primes820th 
Isolated primes 1639th
Palindromic primes46th 
Primes2260th2348th
Prime triplets (1st member)168th 
Sexy primes (1st member)693rd 
Sexy primes (2nd member) 712th
Sophie germain primes326th338th
Twin primes (1st member)342nd 
Roman numberals  
Base 210011100001011121010001100011112
Base 31000102102310011220223
Base 4103201134110120334
Base 51114431511320045
Base 623231562403556
Base 711216671146057
Base 8470278506178
Base 9303729315689
Base 1019991102087910
Base 1114024111476111
Base 12b69b12100bb12
Base 13913a13967113
Base 1473dd14787514
Base 155dcb1562be15
Base 164e1716518f16
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