Compare 621139 vs 621142

Property	621139	621142
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	621139¹	2¹ × 310571¹
Prime factorization	621139	2 × 310571
Divisors count	2	4
Divisors	1, 621139	1, 2, 310571, 621142
Number of properties	5	1
Centered triangular primes	111th
Cousin primes (1st member)	5494th
Isolated primes	39732nd
Primes	50701st
Semiprimes		133183rd
Sexy primes (2nd member)	11015th
Roman numberals
Base 2	10010111101001010011₂	10010111101001010110₂
Base 3	1011120001011₃	1011120001021₃
Base 4	2113221103₄	2113221112₄
Base 5	124334024₅	124334032₅
Base 6	21151351₆	21151354₆
Base 7	5164621₇	5164624₇
Base 8	2275123₈	2275126₈
Base 9	1146034₉	1146037₉
Base 10	621139₁₀	621142₁₀
Base 11	394742₁₁	394745₁₁
Base 12	25b557₁₂	25b55a₁₂
Base 13	18994c₁₃	189952₁₃
Base 14	122511₁₄	122514₁₄
Base 15	c4094₁₅	c4097₁₅
Base 16	97a53₁₆	97a56₁₆