Compare 128285 vs 128287

Property	128285	128287
Type	semiprime	prime
Unique factors	2	1
Total factors	2	1
Prime factorization	5¹ × 25657¹	128287¹
Prime factorization	5 × 25657	128287
Divisors count	4	2
Divisors	1, 5, 25657, 128285	1, 128287
Number of properties	1	5
Cousin primes (1st member)		1492nd
Good primes		785th
Isolated primes		9016th
Long primes		4508th
Primes		12009th
Semiprimes	29662nd
Roman numberals
Base 2	11111010100011101₂	11111010100011111₂
Base 3	20111222022₃	20111222101₃
Base 4	133110131₄	133110133₄
Base 5	13101120₅	13101122₅
Base 6	2425525₆	2425531₆
Base 7	1043003₇	1043005₇
Base 8	372435₈	372437₈
Base 9	214868₉	214871₉
Base 10	128285₁₀	128287₁₀
Base 11	88423₁₁	88425₁₁
Base 12	622a5₁₂	622a7₁₂
Base 13	46511₁₃	46513₁₃
Base 14	34a73₁₄	34a75₁₄
Base 15	28025₁₅	28027₁₅
Base 16	1f51d₁₆	1f51f₁₆