Compare 666667 vs 666668

Property	666667	666668
Type	prime	composite number
Unique factors	1	2
Total factors	1	3
Prime factorization	666667¹	2² × 166667¹
Prime factorization	666667	2 × 2 × 166667
Divisors count	2	6
Divisors	1, 666667	1, 2, 4, 166667, 333334, 666668
Number of properties	5	0
Additive primes	21106th
Cousin primes (1st member)	5831st
Isolated primes	42397th
Lucky primes	6184th
Primes	54070th
Roman numberals
Base 2	10100010110000101011₂	10100010110000101100₂
Base 3	1020212111101₃	1020212111102₃
Base 4	2202300223₄	2202300230₄
Base 5	132313132₅	132313133₅
Base 6	22142231₆	22142232₆
Base 7	5444431₇	5444432₇
Base 8	2426053₈	2426054₈
Base 9	1225441₉	1225442₉
Base 10	666667₁₀	666668₁₀
Base 11	415971₁₁	415972₁₁
Base 12	281977₁₂	281978₁₂
Base 13	1a45a1₁₃	1a45a2₁₃
Base 14	134d51₁₄	134d52₁₄
Base 15	d27e7₁₅	d27e8₁₅
Base 16	a2c2b₁₆	a2c2c₁₆