Compare 639997 vs 640127

Property	639997	640127
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639997¹	640127¹
Prime factorization	639997	640127
Divisors count	2	2
Divisors	1, 639997	1, 640127
Number of properties	4	4
Additive primes	20349th
Isolated primes	40813th	40824th
Lucky primes	5977th
Primes	52074th	52087th
Safe primes		3017th
Sexy primes (2nd member)		11286th
Roman numberals
Base 2	10011100001111111101₂	10011100010001111111₂
Base 3	1012111220121₃	1012112002102₃
Base 4	2130033331₄	2130101333₄
Base 5	130434442₅	130441002₅
Base 6	21414541₆	21415315₆
Base 7	5303611₇	5304155₇
Base 8	2341775₈	2342177₈
Base 9	1174817₉	1175072₉
Base 10	639997₁₀	640127₁₀
Base 11	3a7926₁₁	3a7a34₁₁
Base 12	26a451₁₂	26a53b₁₂
Base 13	1953c7₁₃	195497₁₃
Base 14	129341₁₄	1293d5₁₄
Base 15	c9967₁₅	c9a02₁₅
Base 16	9c3fd₁₆	9c47f₁₆