Compare 1280 vs 1289

Property	1280	1289
Type	composite number	prime
Unique factors	2	1
Total factors	9	1
Prime factorization	2⁸ × 5¹	1289¹
Prime factorization	2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5	1289
Divisors count	18	2
Divisors	1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280	1, 1289
Number of properties	0	7
Chen primes		136th
Primes		209th
Pythagorean primes		103rd
Sexy primes (2nd member)		90th
Sexy prime triplets (3rd member)		34th
Sophie germain primes		45th
Twin primes (1st member)		44th
Roman numberals	MCCLXXX	MCCLXXXIX
Base 2	10100000000₂	10100001001₂
Base 3	1202102₃	1202202₃
Base 4	110000₄	110021₄
Base 5	20110₅	20124₅
Base 6	5532₆	5545₆
Base 7	3506₇	3521₇
Base 8	2400₈	2411₈
Base 9	1672₉	1682₉
Base 10	1280₁₀	1289₁₀
Base 11	a64₁₁	a72₁₁
Base 12	8a8₁₂	8b5₁₂
Base 13	776₁₃	782₁₃
Base 14	676₁₄	681₁₄
Base 15	5a5₁₅	5ae₁₅
Base 16	500₁₆	509₁₆