Compare 640907 vs 641129

Property	640907	641129
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640907¹	641129¹
Prime factorization	640907	641129
Divisors count	2	2
Divisors	1, 640907	1, 641129
Number of properties	4	5
Additive primes		20386th
Chen primes	20404th	20408th
Happy primes		7422nd
Isolated primes	40867th
Primes	52142nd	52159th
Sexy primes (2nd member)	11298th
Twin primes (1st member)		5639th
Roman numberals
Base 2	10011100011110001011₂	10011100100001101001₂
Base 3	1012120011022₃	1012120110112₃
Base 4	2130132023₄	2130201221₄
Base 5	131002112₅	131004004₅
Base 6	21423055₆	21424105₆
Base 7	5306351₇	5310116₇
Base 8	2343613₈	2344151₈
Base 9	1176138₉	1176415₉
Base 10	640907₁₀	641129₁₀
Base 11	3a8583₁₁	3a8765₁₁
Base 12	26aa8b₁₂	26b035₁₂
Base 13	195947₁₃	195a88₁₃
Base 14	1297d1₁₄	12990d₁₄
Base 15	c9d72₁₅	c9e6e₁₅
Base 16	9c78b₁₆	9c869₁₆