Compare 642681 vs 642683

Property	642681	642683
Type	composite number	prime
Unique factors	3	1
Total factors	5	1
Prime factorization	3³ × 13¹ × 1831¹	642683¹
Prime factorization	3 × 3 × 3 × 13 × 1831	642683
Divisors count	16	2
Divisors	1, 3, 9, 13, 27, 39, 117, 351, 1831, 5493, 16479, 23803, 49437, 71409, 214227, 642681	1, 642683
Number of properties	0	5
Additive primes		20427th
Isolated primes		40963rd
Left-truncatable primes		540th
Primes		52266th
Safe primes		3027th
Roman numberals
Base 2	10011100111001111001₂	10011100111001111011₂
Base 3	1012122121000₃	1012122121002₃
Base 4	2130321321₄	2130321323₄
Base 5	131031211₅	131031213₅
Base 6	21435213₆	21435215₆
Base 7	5314464₇	5314466₇
Base 8	2347171₈	2347173₈
Base 9	1178530₉	1178532₉
Base 10	642681₁₀	642683₁₀
Base 11	3a9946₁₁	3a9948₁₁
Base 12	26bb09₁₂	26bb0b₁₂
Base 13	1966b0₁₃	1966b2₁₃
Base 14	12a2db₁₄	12a2dd₁₄
Base 15	ca656₁₅	ca658₁₅
Base 16	9ce79₁₆	9ce7b₁₆