Compare 666679 vs 666683

Property	666679	666683
Type	semiprime	prime
Unique factors	2	1
Total factors	2	1
Prime factorization	13¹ × 51283¹	666683¹
Prime factorization	13 × 51283	666683
Divisors count	4	2
Divisors	1, 13, 51283, 666679	1, 666683
Number of properties	1	4
Chen primes		21141st
Isolated primes		42399th
Primes		54072nd
Safe primes		3123rd
Semiprimes	142603rd
Roman numberals
Base 2	10100010110000110111₂	10100010110000111011₂
Base 3	1020212111211₃	1020212111222₃
Base 4	2202300313₄	2202300323₄
Base 5	132313204₅	132313213₅
Base 6	22142251₆	22142255₆
Base 7	5444446₇	5444453₇
Base 8	2426067₈	2426073₈
Base 9	1225454₉	1225458₉
Base 10	666679₁₀	666683₁₀
Base 11	415982₁₁	415986₁₁
Base 12	281987₁₂	28198b₁₂
Base 13	1a45b0₁₃	1a45b4₁₃
Base 14	134d5d₁₄	134d63₁₄
Base 15	d2804₁₅	d2808₁₅
Base 16	a2c37₁₆	a2c3b₁₆