Compare 640127 vs 642407

Property	640127	642407
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640127¹	642407¹
Prime factorization	640127	642407
Divisors count	2	2
Divisors	1, 640127	1, 642407
Number of properties	4	6
Additive primes		20422nd
Chen primes		20437th
Cousin primes (2nd member)		5643rd
Isolated primes	40824th	40949th
Primes	52087th	52250th
Safe primes	3017th	3025th
Sexy primes (2nd member)	11286th
Roman numberals
Base 2	10011100010001111111₂	10011100110101100111₂
Base 3	1012112002102₃	1012122012212₃
Base 4	2130101333₄	2130311213₄
Base 5	130441002₅	131024112₅
Base 6	21415315₆	21434035₆
Base 7	5304155₇	5313623₇
Base 8	2342177₈	2346547₈
Base 9	1175072₉	1178185₉
Base 10	640127₁₀	642407₁₀
Base 11	3a7a34₁₁	3a9717₁₁
Base 12	26a53b₁₂	26b91b₁₂
Base 13	195497₁₃	19652c₁₃
Base 14	1293d5₁₄	12a183₁₄
Base 15	c9a02₁₅	ca522₁₅
Base 16	9c47f₁₆	9cd67₁₆