1. Numbers
  2. Compare 1279 vs 1290

Compare 1279 vs 1290

Property12791290
Typeprimecomposite number
Unique factors14
Total factors14
Prime factorization1279121 × 31 × 51 × 431
Prime factorization12792 × 3 × 5 × 43
Divisors count216
Divisors1, 12791, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290
Number of properties70
Additive primes112th 
Cousin primes (1st member)46th 
Emirps60th 
Primes207th 
Prime triplets (2nd member)33rd 
Solinas primes53rd 
Twin primes (2nd member)43rd 
Roman numberalsMCCLXXIXMCCXC
Base 2100111111112101000010102
Base 31202101312022103
Base 410333341100224
Base 5201045201305
Base 65531655506
Base 73505735227
Base 82377824128
Base 91671916839
Base 10127910129010
Base 11a6311a7311
Base 128a7128b612
Base 137751378313
Base 146751468214
Base 155a4155b015
Base 164ff1650a16
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