1. Numbers
  2. Compare 1999 vs 2039

Compare 1999 vs 2039

Property19992039
Typeprimeprime
Unique factors11
Total factors11
Prime factorization1999120391
Prime factorization19992039
Divisors count22
Divisors1, 19991, 2039
Number of properties88
Centered triangular primes10th 
Chen primes 190th
Cousin primes (1st member)65th 
Happy primes 56th
Harmonic primes 115th
Isolated primes 186th
Primes303rd309th
Prime triplets (2nd member)50th 
Prime triplets (3rd member)49th 
Safe primes 39th
Sexy primes (2nd member)128th 
Sexy prime triplets (3rd member)50th 
Solinas primes 55th
Sophie germain primes 62nd
Twin primes (2nd member)61st 
Roman numberalsMCMXCIXMMXXXIX
Base 2111110011112111111101112
Base 32202001322101123
Base 413303341333134
Base 5304445311245
Base 6131316132356
Base 75554756427
Base 83717837678
Base 92661927159
Base 10199910203910
Base 11155811159411
Base 1211a712121b12
Base 13baa13c0b13
Base 14a2b14a5914
Base 158d41590e15
Base 167cf167f716
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