Compare 664663 vs 666139

Property	664663	666139
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	664663¹	666139¹
Prime factorization	664663	666139
Divisors count	2	2
Divisors	1, 664663	1, 666139
Number of properties	8	4
Additive primes	21047th	21093rd
Cousin primes (1st member)	5813th	5825th
Isolated primes		42372nd
Primes	53921st	54035th
Prime quadruplets (2nd member)	129th
Prime triplets (1st member)	2121st
Prime triplets (2nd member)	2120th
Sexy primes (1st member)	11638th
Twin primes (2nd member)	5821st
Roman numberals
Base 2	10100010010001010111₂	10100010101000011011₂
Base 3	1020202202011₃	1020211202211₃
Base 4	2202101113₄	2202220123₄
Base 5	132232123₅	132304024₅
Base 6	22125051₆	22135551₆
Base 7	5435536₇	5443045₇
Base 8	2422127₈	2425033₈
Base 9	1222664₉	1224684₉
Base 10	664663₁₀	666139₁₀
Base 11	41440a₁₁	415531₁₁
Base 12	280787₁₂	2815b7₁₂
Base 13	1a36bc₁₃	1a4286₁₃
Base 14	13431d₁₄	134a95₁₄
Base 15	d1e0d₁₅	d2594₁₅
Base 16	a2457₁₆	a2a1b₁₆