Compare 399903 vs 399913

Property	399903	399913
Type	composite number	prime
Unique factors	4	1
Total factors	4	1
Prime factorization	3¹ × 7¹ × 137¹ × 139¹	399913¹
Prime factorization	3 × 7 × 137 × 139	399913
Divisors count	16	2
Divisors	1, 3, 7, 21, 137, 139, 411, 417, 959, 973, 2877, 2919, 19043, 57129, 133301, 399903	1, 399913
Number of properties	0	4
Emirps		6699th
Happy primes		4994th
Primes		33854th
Twin primes (2nd member)		3804th
Roman numberals
Base 2	1100001101000011111₂	1100001101000101001₂
Base 3	202022120020₃	202022120121₃
Base 4	1201220133₄	1201220221₄
Base 5	100244103₅	100244123₅
Base 6	12323223₆	12323241₆
Base 7	3253620₇	3253633₇
Base 8	1415037₈	1415051₈
Base 9	668506₉	668517₉
Base 10	399903₁₀	399913₁₀
Base 11	2534a9₁₁	253508₁₁
Base 12	173513₁₂	173521₁₂
Base 13	11003a₁₃	110047₁₃
Base 14	a5a47₁₄	a5a53₁₄
Base 15	7d753₁₅	7d75d₁₅
Base 16	61a1f₁₆	61a29₁₆