Compare 666642 vs 666643

Property	666642	666643
Type	composite number	prime
Unique factors	4	1
Total factors	4	1
Prime factorization	2¹ × 3¹ × 137¹ × 811¹	666643¹
Prime factorization	2 × 3 × 137 × 811	666643
Divisors count	16	2
Divisors	1, 2, 3, 6, 137, 274, 411, 811, 822, 1622, 2433, 4866, 111107, 222214, 333321, 666642	1, 666643
Number of properties	0	8
Additive primes		21104th
Cousin primes (1st member)		5830th
Isolated primes		42396th
Primes		54067th
Prime triplets (1st member)		2130th
Sexy primes (1st member)		11668th
Sexy primes (2nd member)		11667th
Sexy prime triplets (2nd member)		2126th
Roman numberals
Base 2	10100010110000010010₂	10100010110000010011₂
Base 3	1020212110110₃	1020212110111₃
Base 4	2202300102₄	2202300103₄
Base 5	132313032₅	132313033₅
Base 6	22142150₆	22142151₆
Base 7	5444364₇	5444365₇
Base 8	2426022₈	2426023₈
Base 9	1225413₉	1225414₉
Base 10	666642₁₀	666643₁₀
Base 11	415949₁₁	41594a₁₁
Base 12	281956₁₂	281957₁₂
Base 13	1a4582₁₃	1a4583₁₃
Base 14	134d34₁₄	134d35₁₄
Base 15	d27cc₁₅	d27cd₁₅
Base 16	a2c12₁₆	a2c13₁₆