1. Numbers
  2. Compare 1282 vs 1283

Compare 1282 vs 1283

Property12821283
Typesemiprimeprime
Unique factors21
Total factors21
Prime factorization21 × 641112831
Prime factorization2 × 6411283
Divisors count42
Divisors1, 2, 641, 12821, 1283
Number of properties112
Chen primes 135th
Cousin primes (2nd member) 46th
Emirps 61st
Harmonic primes 72nd
Isolated primes 123rd
Left-truncatable primes 56th
Primes 208th
Prime triplets (3rd member) 33rd
Safe primes 28th
Semiprimes377th 
Sexy primes (1st member) 90th
Sexy primes (2nd member) 89th
Sexy prime triplets (2nd member) 34th
Roman numberalsMCCLXXXIIMCCLXXXIII
Base 2101000000102101000000112
Base 31202111312021123
Base 411000241100034
Base 5201125201135
Base 65534655356
Base 73511735127
Base 82402824038
Base 91674916759
Base 10128210128310
Base 11a6611a6711
Base 128aa128ab12
Base 137781377913
Base 146781467914
Base 155a7155a815
Base 165021650316
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