Compare 640127 vs 640139

Property	640127	640139
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640127¹	640139¹
Prime factorization	640127	640139
Divisors count	2	2
Divisors	1, 640127	1, 640139
Number of properties	4	4
Additive primes		20356th
Chen primes		20383rd
Isolated primes	40824th	40825th
Primes	52087th	52088th
Safe primes	3017th
Sexy primes (2nd member)	11286th
Roman numberals
Base 2	10011100010001111111₂	10011100010010001011₂
Base 3	1012112002102₃	1012112002212₃
Base 4	2130101333₄	2130102023₄
Base 5	130441002₅	130441024₅
Base 6	21415315₆	21415335₆
Base 7	5304155₇	5304203₇
Base 8	2342177₈	2342213₈
Base 9	1175072₉	1175085₉
Base 10	640127₁₀	640139₁₀
Base 11	3a7a34₁₁	3a7a45₁₁
Base 12	26a53b₁₂	26a54b₁₂
Base 13	195497₁₃	1954a6₁₃
Base 14	1293d5₁₄	129403₁₄
Base 15	c9a02₁₅	c9a0e₁₅
Base 16	9c47f₁₆	9c48b₁₆