1. Numbers
  2. Compare 19991 vs 21317

Compare 19991 vs 21317

Property1999121317
Typeprimeprime
Unique factors11
Total factors11
Prime factorization199911213171
Prime factorization1999121317
Divisors count22
Divisors1, 199911, 21317
Number of properties910
Additive primes1049th 
Chen primes1111th1174th
Cousin primes (2nd member) 362nd
Harmonic primes820th877th
Palindromic primes46th 
Primes2260th2393rd
Prime triplets (1st member)168th180th
Prime triplets (2nd member) 179th
Pythagorean primes 1188th
Sexy primes (1st member)693rd726th
Sophie germain primes326th 
Super primes 356th
Twin primes (1st member)342nd362nd
Roman numberals  
Base 210011100001011121010011010001012
Base 31000102102310020201123
Base 4103201134110310114
Base 51114431511402325
Base 623231562424056
Base 711216671161027
Base 8470278515058
Base 9303729322159
Base 1019991102131710
Base 1114024111501a11
Base 12b69b121040512
Base 13913a13991a13
Base 1473dd147aa914
Base 155dcb1564b215
Base 164e1716534516
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