1. Numbers
  2. Compare 427981 vs 427991

Compare 427981 vs 427991

Property427981427991
Typesemiprimeprime
Unique factors21
Total factors21
Prime factorization1391 × 307914279911
Prime factorization139 × 3079427991
Divisors count42
Divisors1, 139, 3079, 4279811, 427991
Number of properties17
Chen primes 14457th
Primes 36000th
Prime triplets (1st member) 1536th
Semiprimes93434th 
Sexy primes (1st member) 8087th
Sexy prime triplets (1st member) 1548th
Sophie germain primes 3797th
Twin primes (1st member) 4033rd
Roman numberals  
Base 21101000011111001101211010000111110101112
Base 321020200201132102020021123
Base 41220133031412201331134
Base 510214341151021434315
Base 6131012216131012356
Base 73431521734315347
Base 81503715815037278
Base 972206497220759
Base 104279811042799110
Base 112726041127261311
Base 121878111218781b12
Base 1311ca581311ca6513
Base 14b1d8114b1d8b14
Base 1586c211586c2b15
Base 16687cd16687d716
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