Compare 664663 vs 666427

Property	664663	666427
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	664663¹	666427¹
Prime factorization	664663	666427
Divisors count	2	2
Divisors	1, 664663	1, 666427
Number of properties	8	8
Additive primes	21047th	21099th
Cousin primes (1st member)	5813th	5828th
Isolated primes		42387th
Primes	53921st	54050th
Prime quadruplets (2nd member)	129th
Prime quintuplet 1s (1st member)		26th
Prime triplets (1st member)	2121st	2127th
Prime triplets (2nd member)	2120th
Sexy primes (1st member)	11638th	11663rd
Sexy prime triplets (1st member)		2125th
Twin primes (2nd member)	5821st
Roman numberals
Base 2	10100010010001010111₂	10100010101100111011₂
Base 3	1020202202011₃	1020212011111₃
Base 4	2202101113₄	2202230323₄
Base 5	132232123₅	132311202₅
Base 6	22125051₆	22141151₆
Base 7	5435536₇	5443636₇
Base 8	2422127₈	2425473₈
Base 9	1222664₉	1225144₉
Base 10	664663₁₀	666427₁₀
Base 11	41440a₁₁	415773₁₁
Base 12	280787₁₂	2817b7₁₂
Base 13	1a36bc₁₃	1a4448₁₃
Base 14	13431d₁₄	134c1d₁₄
Base 15	d1e0d₁₅	d26d7₁₅
Base 16	a2457₁₆	a2b3b₁₆