Compare 664019 vs 664031

Property	664019	664031
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	664019¹	19¹ × 34949¹
Prime factorization	664019	19 × 34949
Divisors count	2	4
Divisors	1, 664019	1, 19, 34949, 664031
Number of properties	4	1
Chen primes	21069th
Isolated primes	42239th
Primes	53870th
Safe primes	3109th
Semiprimes		142072nd
Roman numberals
Base 2	10100010000111010011₂	10100010000111011111₂
Base 3	1020201212022₃	1020201212202₃
Base 4	2202013103₄	2202013133₄
Base 5	132222034₅	132222111₅
Base 6	22122055₆	22122115₆
Base 7	5433626₇	5433644₇
Base 8	2420723₈	2420737₈
Base 9	1221768₉	1221782₉
Base 10	664019₁₀	664031₁₀
Base 11	413984₁₁	413995₁₁
Base 12	28032b₁₂	28033b₁₂
Base 13	1a3315₁₃	1a3324₁₃
Base 14	133dbd₁₄	133dcb₁₄
Base 15	d1b2e₁₅	d1b3b₁₅
Base 16	a21d3₁₆	a21df₁₆