Compare 621139 vs 621149

Property	621139	621149
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	621139¹	401¹ × 1549¹
Prime factorization	621139	401 × 1549
Divisors count	2	4
Divisors	1, 621139	1, 401, 1549, 621149
Number of properties	5	1
Centered triangular primes	111th
Cousin primes (1st member)	5494th
Isolated primes	39732nd
Primes	50701st
Semiprimes		133184th
Sexy primes (2nd member)	11015th
Roman numberals
Base 2	10010111101001010011₂	10010111101001011101₂
Base 3	1011120001011₃	1011120001112₃
Base 4	2113221103₄	2113221131₄
Base 5	124334024₅	124334044₅
Base 6	21151351₆	21151405₆
Base 7	5164621₇	5164634₇
Base 8	2275123₈	2275135₈
Base 9	1146034₉	1146045₉
Base 10	621139₁₀	621149₁₀
Base 11	394742₁₁	394751₁₁
Base 12	25b557₁₂	25b565₁₂
Base 13	18994c₁₃	189959₁₃
Base 14	122511₁₄	12251b₁₄
Base 15	c4094₁₅	c409e₁₅
Base 16	97a53₁₆	97a5d₁₆