Compare 669905 vs 669913

Property	669905	669913
Type	semiprime	prime
Unique factors	2	1
Total factors	2	1
Prime factorization	5¹ × 133981¹	669913¹
Prime factorization	5 × 133981	669913
Divisors count	4	2
Divisors	1, 5, 133981, 669905	1, 669913
Number of properties	1	3
Isolated primes		42581st
Primes		54302nd
Semiprimes	143271st
Ulam primes		3988th
Roman numberals
Base 2	10100011100011010001₂	10100011100011011001₂
Base 3	1021000221022₃	1021000221121₃
Base 4	2203203101₄	2203203121₄
Base 5	132414110₅	132414123₅
Base 6	22205225₆	22205241₆
Base 7	5460035₇	5460046₇
Base 8	2434321₈	2434331₈
Base 9	1230838₉	1230847₉
Base 10	669905₁₀	669913₁₀
Base 11	418345₁₁	418352₁₁
Base 12	283815₁₂	283821₁₂
Base 13	1a5bc2₁₃	1a5bca₁₃
Base 14	1361c5₁₄	1361cd₁₄
Base 15	d3755₁₅	d375d₁₅
Base 16	a38d1₁₆	a38d9₁₆