Compare 666143 vs 666146

Property	666143	666146
Type	prime	composite number
Unique factors	1	3
Total factors	1	3
Prime factorization	666143¹	2¹ × 13¹ × 25621¹
Prime factorization	666143	2 × 13 × 25621
Divisors count	2	8
Divisors	1, 666143	1, 2, 13, 26, 25621, 51242, 333073, 666146
Number of properties	4	0
Cousin primes (2nd member)	5825th
Isolated primes	42373rd
Primes	54036th
Safe primes	3118th
Roman numberals
Base 2	10100010101000011111₂	10100010101000100010₂
Base 3	1020211202222₃	1020211210002₃
Base 4	2202220133₄	2202220202₄
Base 5	132304033₅	132304041₅
Base 6	22135555₆	22140002₆
Base 7	5443052₇	5443055₇
Base 8	2425037₈	2425042₈
Base 9	1224688₉	1224702₉
Base 10	666143₁₀	666146₁₀
Base 11	415535₁₁	415538₁₁
Base 12	2815bb₁₂	281602₁₂
Base 13	1a428a₁₃	1a4290₁₃
Base 14	134a99₁₄	134a9c₁₄
Base 15	d2598₁₅	d259b₁₅
Base 16	a2a1f₁₆	a2a22₁₆