Compare 128287 vs 128289

Property	128287	128289
Type	prime	composite number
Unique factors	1	4
Total factors	1	4
Prime factorization	128287¹	3¹ × 7¹ × 41¹ × 149¹
Prime factorization	128287	3 × 7 × 41 × 149
Divisors count	2	16
Divisors	1, 128287	1, 3, 7, 21, 41, 123, 149, 287, 447, 861, 1043, 3129, 6109, 18327, 42763, 128289
Number of properties	5	0
Cousin primes (1st member)	1492nd
Good primes	785th
Isolated primes	9016th
Long primes	4508th
Primes	12009th
Roman numberals
Base 2	11111010100011111₂	11111010100100001₂
Base 3	20111222101₃	20111222110₃
Base 4	133110133₄	133110201₄
Base 5	13101122₅	13101124₅
Base 6	2425531₆	2425533₆
Base 7	1043005₇	1043010₇
Base 8	372437₈	372441₈
Base 9	214871₉	214873₉
Base 10	128287₁₀	128289₁₀
Base 11	88425₁₁	88427₁₁
Base 12	622a7₁₂	622a9₁₂
Base 13	46513₁₃	46515₁₃
Base 14	34a75₁₄	34a77₁₄
Base 15	28027₁₅	28029₁₅
Base 16	1f51f₁₆	1f521₁₆