Compare 247 vs 256

Property	247	256
Type	semiprime	composite number
Unique factors	2	1
Total factors	2	8
Prime factorization	13¹ × 19¹	2⁸
Prime factorization	13 × 19	2 × 2 × 2 × 2 × 2 × 2 × 2 × 2
Divisors count	4	9
Divisors	1, 13, 19, 247	1, 2, 4, 8, 16, 32, 64, 128, 256
Number of properties	1	0
Semiprimes	79th
Roman numberals	CCXLVII	CCLVI
Base 2	11110111₂	100000000₂
Base 3	100011₃	100111₃
Base 4	3313₄	10000₄
Base 5	1442₅	2011₅
Base 6	1051₆	1104₆
Base 7	502₇	514₇
Base 8	367₈	400₈
Base 9	304₉	314₉
Base 10	247₁₀	256₁₀
Base 11	205₁₁	213₁₁
Base 12	187₁₂	194₁₂
Base 13	160₁₃	169₁₃
Base 14	139₁₄	144₁₄
Base 15	117₁₅	121₁₅
Base 16	f7₁₆	100₁₆