1. Numbers
  2. Compare 12979 vs 12991

Compare 12979 vs 12991

Property1297912991
Typeprimesemiprime
Unique factors12
Total factors12
Prime factorization129791111 × 11811
Prime factorization1297911 × 1181
Divisors count24
Divisors1, 129791, 11, 1181, 12991
Number of properties71
Chen primes783rd 
Cousin primes (1st member)249th 
Isolated primes1055th 
Long primes599th 
Primes1546th 
Semiprimes 3369th
Sexy primes (2nd member)495th 
Sexy prime triplets (3rd member)140th 
Roman numberals  
Base 2110010101100112110010101111112
Base 312221020131222110113
Base 43022303430223334
Base 540340454034315
Base 614003161400516
Base 7525617526067
Base 8312638312778
Base 9187219187349
Base 1012979101299110
Base 11982a11984011
Base 12761712762712
Base 135ba5135bb413
Base 144a31144a3d14
Base 153ca4153cb115
Base 1632b31632bf16
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