Compare 665981 vs 666023

Property	665981	666023
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	665981¹	666023¹
Prime factorization	665981	666023
Divisors count	2	2
Divisors	1, 665981	1, 666023
Number of properties	4	6
Additive primes		21089th
Chen primes	21124th
Cousin primes (2nd member)		5824th
Isolated primes		42364th
Primes	54020th	54025th
Sophie germain primes		5496th
Twin primes (1st member)	5831st
Ulam primes	3967th	3968th
Roman numberals
Base 2	10100010100101111101₂	10100010100110100111₂
Base 3	1020211112222₃	1020211121112₃
Base 4	2202211331₄	2202212213₄
Base 5	132302411₅	132303043₅
Base 6	22135125₆	22135235₆
Base 7	5442431₇	5442521₇
Base 8	2424575₈	2424647₈
Base 9	1224488₉	1224545₉
Base 10	665981₁₀	666023₁₀
Base 11	4153a8₁₁	415436₁₁
Base 12	2814a5₁₂	28151b₁₂
Base 13	1a4194₁₃	1a41c7₁₃
Base 14	1349c1₁₄	134a11₁₄
Base 15	d24db₁₅	d2518₁₅
Base 16	a297d₁₆	a29a7₁₆