1. Numbers
  2. Compare 19991 vs 20743

Compare 19991 vs 20743

Property1999120743
Typeprimeprime
Unique factors11
Total factors11
Prime factorization199911207431
Prime factorization1999120743
Divisors count22
Divisors1, 199911, 20743
Number of properties97
Additive primes1049th 
Chen primes1111th 
Cousin primes (1st member) 354th
Good primes 261st
Harmonic primes820th 
Isolated primes 1632nd
Long primes 887th
Palindromic primes46th 
Primes2260th2335th
Prime triplets (1st member)168th172nd
Sexy primes (1st member)693rd709th
Sophie germain primes326th 
Twin primes (1st member)342nd 
Roman numberals  
Base 210011100001011121010001000001112
Base 31000102102310011100213
Base 4103201134110100134
Base 51114431511304335
Base 623231562400116
Base 711216671143227
Base 8470278504078
Base 9303729314079
Base 1019991102074310
Base 1114024111464811
Base 12b69b121000712
Base 13913a13959813
Base 1473dd1477b914
Base 155dcb15622d15
Base 164e1716510716
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