Compare 642737 vs 642742

Property	642737	642742
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	642737¹	2¹ × 321371¹
Prime factorization	642737	2 × 321371
Divisors count	2	4
Divisors	1, 642737	1, 2, 321371, 642742
Number of properties	6	1
Additive primes	20428th
Chen primes	20445th
Good primes	1988th
Primes	52268th
Semiprimes		137722nd
Twin primes (1st member)	5653rd
Ulam primes	3832nd
Roman numberals
Base 2	10011100111010110001₂	10011100111010110110₂
Base 3	1012122200002₃	1012122200021₃
Base 4	2130322301₄	2130322312₄
Base 5	131031422₅	131031432₅
Base 6	21435345₆	21435354₆
Base 7	5314604₇	5314612₇
Base 8	2347261₈	2347266₈
Base 9	1178602₉	1178607₉
Base 10	642737₁₀	642742₁₀
Base 11	3a9997₁₁	3a99a1₁₁
Base 12	26bb55₁₂	26bb5a₁₂
Base 13	196724₁₃	196729₁₃
Base 14	12a33b₁₄	12a342₁₄
Base 15	ca692₁₅	ca697₁₅
Base 16	9ceb1₁₆	9ceb6₁₆