Compare 642683 vs 642689

Property	642683	642689
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	642683¹	23¹ × 27943¹
Prime factorization	642683	23 × 27943
Divisors count	2	4
Divisors	1, 642683	1, 23, 27943, 642689
Number of properties	5	1
Additive primes	20427th
Isolated primes	40963rd
Left-truncatable primes	540th
Primes	52266th
Safe primes	3027th
Semiprimes		137711th
Roman numberals
Base 2	10011100111001111011₂	10011100111010000001₂
Base 3	1012122121002₃	1012122121022₃
Base 4	2130321323₄	2130322001₄
Base 5	131031213₅	131031224₅
Base 6	21435215₆	21435225₆
Base 7	5314466₇	5314505₇
Base 8	2347173₈	2347201₈
Base 9	1178532₉	1178538₉
Base 10	642683₁₀	642689₁₀
Base 11	3a9948₁₁	3a9953₁₁
Base 12	26bb0b₁₂	26bb15₁₂
Base 13	1966b2₁₃	1966b8₁₃
Base 14	12a2dd₁₄	12a305₁₄
Base 15	ca658₁₅	ca65e₁₅
Base 16	9ce7b₁₆	9ce81₁₆