Compare 639983 vs 640127

Property	639983	640127
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639983¹	640127¹
Prime factorization	639983	640127
Divisors count	2	2
Divisors	1, 639983	1, 640127
Number of properties	4	4
Chen primes	20376th
Happy primes	7412th
Isolated primes	40812th	40824th
Primes	52073rd	52087th
Safe primes		3017th
Sexy primes (2nd member)		11286th
Roman numberals
Base 2	10011100001111101111₂	10011100010001111111₂
Base 3	1012111220002₃	1012112002102₃
Base 4	2130033233₄	2130101333₄
Base 5	130434413₅	130441002₅
Base 6	21414515₆	21415315₆
Base 7	5303561₇	5304155₇
Base 8	2341757₈	2342177₈
Base 9	1174802₉	1175072₉
Base 10	639983₁₀	640127₁₀
Base 11	3a7913₁₁	3a7a34₁₁
Base 12	26a43b₁₂	26a53b₁₂
Base 13	1953b6₁₃	195497₁₃
Base 14	129331₁₄	1293d5₁₄
Base 15	c9958₁₅	c9a02₁₅
Base 16	9c3ef₁₆	9c47f₁₆