Compare 1291 vs 1307

Unique factors11
Total factors11
Prime factorization1291113071
Prime factorization12911307
Divisors count22
Divisors1, 12911, 1307
Number of properties97
Additive primes113th117th
Chen primes137th 
Cousin primes (2nd member) 48th
Harmonic primes73rd 
Isolated primes 125th
Long primes80th 
Lucky primes54th 
Prime triplets (3rd member) 35th
Safe primes 29th
Sexy primes (1st member)91st 
Sexy primes (2nd member) 93rd
Sexy prime triplets (1st member)35th 
Twin primes (2nd member)44th 
Roman numberalsMCCXCIMCCCVII
Base 2101000010112101000110112
Base 31202211312101023
Base 411002341101234
Base 5201315202125
Base 655516100156
Base 73523735457
Base 82413824338
Base 91684917129
Base 10129110130710
Base 11a7411a8911
Base 128b71290b12
Base 137841379713
Base 146831469514
Base 155b1155c215
Base 1650b1651b16
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