Compare 256139 vs 256147

Property	256139	256147
Type	composite number	prime
Unique factors	4	1
Total factors	4	1
Prime factorization	13¹ × 17¹ × 19¹ × 61¹	256147¹
Prime factorization	13 × 17 × 19 × 61	256147
Divisors count	16	2
Divisors	1, 13, 17, 19, 61, 221, 247, 323, 793, 1037, 1159, 4199, 13481, 15067, 19703, 256139	1, 256147
Number of properties	0	3
Isolated primes		17271st
Lucky primes		2807th
Primes		22538th
Roman numberals
Base 2	111110100010001011₂	111110100010010011₂
Base 3	111000100122₃	111000100221₃
Base 4	332202023₄	332202103₄
Base 5	31144024₅	31144042₅
Base 6	5253455₆	5253511₆
Base 7	2114522₇	2114533₇
Base 8	764213₈	764223₈
Base 9	430318₉	430327₉
Base 10	256139₁₀	256147₁₀
Base 11	165494₁₁	1654a1₁₁
Base 12	10428b₁₂	104297₁₂
Base 13	8c780₁₃	8c788₁₃
Base 14	694b9₁₄	694c3₁₄
Base 15	50d5e₁₅	50d67₁₅
Base 16	3e88b₁₆	3e893₁₆