1. Numbers
  2. Compare 19991 vs 20011

Compare 19991 vs 20011

Property1999120011
Typeprimeprime
Unique factors11
Total factors11
Prime factorization199911200111
Prime factorization1999120011
Divisors count22
Divisors1, 199911, 20011
Number of properties93
Additive primes1049th 
Centered triangular primes 27th
Chen primes1111th 
Harmonic primes820th 
Isolated primes 1580th
Palindromic primes46th 
Primes2260th2263rd
Prime triplets (1st member)168th 
Sexy primes (1st member)693rd 
Sophie germain primes326th 
Twin primes (1st member)342nd 
Roman numberals  
Base 210011100001011121001110001010112
Base 31000102102310001100113
Base 4103201134103202234
Base 51114431511200215
Base 623231562323516
Base 711216671122257
Base 8470278470538
Base 9303729304049
Base 1019991102001110
Base 1114024111404211
Base 12b69b12b6b712
Base 13913a13915413
Base 1473dd14741514
Base 155dcb155de115
Base 164e17164e2b16
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