Compare 640943 vs 641129

Property	640943	641129
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640943¹	641129¹
Prime factorization	640943	641129
Divisors count	2	2
Divisors	1, 640943	1, 641129
Number of properties	6	5
Additive primes		20386th
Chen primes	20406th	20408th
Happy primes		7422nd
Isolated primes	40870th
Primes	52145th	52159th
Safe primes	3021st
Sexy primes (1st member)	11299th
Twin primes (1st member)		5639th
Ulam primes	3822nd
Roman numberals
Base 2	10011100011110101111₂	10011100100001101001₂
Base 3	1012120012122₃	1012120110112₃
Base 4	2130132233₄	2130201221₄
Base 5	131002233₅	131004004₅
Base 6	21423155₆	21424105₆
Base 7	5306432₇	5310116₇
Base 8	2343657₈	2344151₈
Base 9	1176178₉	1176415₉
Base 10	640943₁₀	641129₁₀
Base 11	3a8606₁₁	3a8765₁₁
Base 12	26aabb₁₂	26b035₁₂
Base 13	195974₁₃	195a88₁₃
Base 14	129819₁₄	12990d₁₄
Base 15	c9d98₁₅	c9e6e₁₅
Base 16	9c7af₁₆	9c869₁₆