Compare 665921 vs 666013

Property	665921	666013
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	665921¹	666013¹
Prime factorization	665921	666013
Divisors count	2	2
Divisors	1, 665921	1, 666013
Number of properties	4	3
Additive primes	21085th
Chen primes	21123rd
Isolated primes		42362nd
Primes	54016th	54023rd
Sexy primes (1st member)		11659th
Twin primes (1st member)	5830th
Roman numberals
Base 2	10100010100101000001₂	10100010100110011101₂
Base 3	1020211110202₃	1020211121011₃
Base 4	2202211001₄	2202212131₄
Base 5	132302141₅	132303023₅
Base 6	22134545₆	22135221₆
Base 7	5442314₇	5442505₇
Base 8	2424501₈	2424635₈
Base 9	1224422₉	1224534₉
Base 10	665921₁₀	666013₁₀
Base 11	415353₁₁	415427₁₁
Base 12	281455₁₂	281511₁₂
Base 13	1a4149₁₃	1a41ba₁₃
Base 14	13497b₁₄	134a05₁₄
Base 15	d249b₁₅	d250d₁₅
Base 16	a2941₁₆	a299d₁₆