Compare 1283 vs 1399

Property12831399
Typeprimeprime
Unique factors11
Total factors11
Prime factorization1283113991
Prime factorization12831399
Divisors count22
Divisors1, 12831, 1399
Number of properties126
Chen primes135th145th
Cousin primes (2nd member)46th 
Emirps61st65th
Good primes 52nd
Harmonic primes72nd76th
Isolated primes123rd131st
Left-truncatable primes56th 
Primes208th222nd
Prime triplets (3rd member)33rd 
Safe primes28th 
Sexy primes (1st member)90th 
Sexy primes (2nd member)89th 
Sexy prime triplets (2nd member)34th 
Roman numberalsMCCLXXXIIIMCCCXCIX
Base 2101000000112101011101112
Base 31202112312202113
Base 411000341113134
Base 5201135210445
Base 655356102516
Base 73512740367
Base 82403825678
Base 91675918249
Base 10128310139910
Base 11a6711106211
Base 128ab1298712
Base 137791383813
Base 146791471d14
Base 155a81563415
Base 165031657716
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