Compare 280139 vs 280142

Property	280139	280142
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	280139¹	2¹ × 140071¹
Prime factorization	280139	2 × 140071
Divisors count	2	4
Divisors	1, 280139	1, 2, 140071, 280142
Number of properties	6	1
Additive primes	9808th
Chen primes	10062nd
Isolated primes	18774th
Long primes	9155th
Primes	24445th
Safe primes	1554th
Semiprimes		62367th
Roman numberals
Base 2	1000100011001001011₂	1000100011001001110₂
Base 3	112020021112₃	112020021122₃
Base 4	1010121023₄	1010121032₄
Base 5	32431024₅	32431032₅
Base 6	10000535₆	10000542₆
Base 7	2244506₇	2244512₇
Base 8	1043113₈	1043116₈
Base 9	466245₉	466248₉
Base 10	280139₁₀	280142₁₀
Base 11	181522₁₁	181525₁₁
Base 12	11614b₁₂	116152₁₂
Base 13	9a682₁₃	9a685₁₃
Base 14	7413d₁₄	74142₁₄
Base 15	5800e₁₅	58012₁₅
Base 16	4464b₁₆	4464e₁₆