Compare 666665 vs 666667

Property	666665	666667
Type	composite number	prime
Unique factors	3	1
Total factors	3	1
Prime factorization	5¹ × 151¹ × 883¹	666667¹
Prime factorization	5 × 151 × 883	666667
Divisors count	8	2
Divisors	1, 5, 151, 755, 883, 4415, 133333, 666665	1, 666667
Number of properties	0	5
Additive primes		21106th
Cousin primes (1st member)		5831st
Isolated primes		42397th
Lucky primes		6184th
Primes		54070th
Roman numberals
Base 2	10100010110000101001₂	10100010110000101011₂
Base 3	1020212111022₃	1020212111101₃
Base 4	2202300221₄	2202300223₄
Base 5	132313130₅	132313132₅
Base 6	22142225₆	22142231₆
Base 7	5444426₇	5444431₇
Base 8	2426051₈	2426053₈
Base 9	1225438₉	1225441₉
Base 10	666665₁₀	666667₁₀
Base 11	41596a₁₁	415971₁₁
Base 12	281975₁₂	281977₁₂
Base 13	1a459c₁₃	1a45a1₁₃
Base 14	134d4d₁₄	134d51₁₄
Base 15	d27e5₁₅	d27e7₁₅
Base 16	a2c29₁₆	a2c2b₁₆