Compare 512 vs 521

Property	512	521
Type	composite number	prime
Unique factors	1	1
Total factors	9	1
Prime factorization	2⁹	521¹
Prime factorization	2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2	521
Divisors count	10	2
Divisors	1, 2, 4, 8, 16, 32, 64, 128, 256, 512	1, 521
Number of properties	0	6
Chen primes		70th
Lucas primes		8th
Primes		98th
Pythagorean primes		46th
Solinas primes		39th
Twin primes (1st member)		25th
Roman numberals	DXII	DXXI
Base 2	1000000000₂	1000001001₂
Base 3	200222₃	201022₃
Base 4	20000₄	20021₄
Base 5	4022₅	4041₅
Base 6	2212₆	2225₆
Base 7	1331₇	1343₇
Base 8	1000₈	1011₈
Base 9	628₉	638₉
Base 10	512₁₀	521₁₀
Base 11	426₁₁	434₁₁
Base 12	368₁₂	375₁₂
Base 13	305₁₃	311₁₃
Base 14	288₁₄	293₁₄
Base 15	242₁₅	24b₁₅
Base 16	200₁₆	209₁₆