Compare 666667 vs 666679

Property	666667	666679
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	666667¹	13¹ × 51283¹
Prime factorization	666667	13 × 51283
Divisors count	2	4
Divisors	1, 666667	1, 13, 51283, 666679
Number of properties	5	1
Additive primes	21106th
Cousin primes (1st member)	5831st
Isolated primes	42397th
Lucky primes	6184th
Primes	54070th
Semiprimes		142603rd
Roman numberals
Base 2	10100010110000101011₂	10100010110000110111₂
Base 3	1020212111101₃	1020212111211₃
Base 4	2202300223₄	2202300313₄
Base 5	132313132₅	132313204₅
Base 6	22142231₆	22142251₆
Base 7	5444431₇	5444446₇
Base 8	2426053₈	2426067₈
Base 9	1225441₉	1225454₉
Base 10	666667₁₀	666679₁₀
Base 11	415971₁₁	415982₁₁
Base 12	281977₁₂	281987₁₂
Base 13	1a45a1₁₃	1a45b0₁₃
Base 14	134d51₁₄	134d5d₁₄
Base 15	d27e7₁₅	d2804₁₅
Base 16	a2c2b₁₆	a2c37₁₆