1. Numbers
  2. Compare 1283 vs 1286

Compare 1283 vs 1286

Property12831286
Typeprimesemiprime
Unique factors12
Total factors12
Prime factorization1283121 × 6431
Prime factorization12832 × 643
Divisors count24
Divisors1, 12831, 2, 643, 1286
Number of properties121
Chen primes135th 
Cousin primes (2nd member)46th 
Emirps61st 
Harmonic primes72nd 
Isolated primes123rd 
Left-truncatable primes56th 
Primes208th 
Prime triplets (3rd member)33rd 
Safe primes28th 
Semiprimes 379th
Sexy primes (1st member)90th 
Sexy primes (2nd member)89th 
Sexy prime triplets (2nd member)34th 
Roman numberalsMCCLXXXIIIMCCLXXXVI
Base 2101000000112101000001102
Base 31202112312021223
Base 411000341100124
Base 5201135201215
Base 65535655426
Base 73512735157
Base 82403824068
Base 91675916789
Base 10128310128610
Base 11a6711a6a11
Base 128ab128b212
Base 137791377c13
Base 146791467c14
Base 155a8155ab15
Base 165031650616
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