Compare 1225 vs 1231

Property	1225	1231
Type	composite number	prime
Unique factors	2	1
Total factors	4	1
Prime factorization	5² × 7²	1231¹
Prime factorization	5 × 5 × 7 × 7	1231
Divisors count	9	2
Divisors	1, 5, 7, 25, 35, 49, 175, 245, 1225	1, 1231
Number of properties	0	6
Additive primes		108th
Emirps		56th
Lucky primes		52nd
Primes		202nd
Sexy primes (1st member)		88th
Twin primes (2nd member)		42nd
Roman numberals	MCCXXV	MCCXXXI
Base 2	10011001001₂	10011001111₂
Base 3	1200101₃	1200121₃
Base 4	103021₄	103033₄
Base 5	14400₅	14411₅
Base 6	5401₆	5411₆
Base 7	3400₇	3406₇
Base 8	2311₈	2317₈
Base 9	1611₉	1617₉
Base 10	1225₁₀	1231₁₀
Base 11	a14₁₁	a1a₁₁
Base 12	861₁₂	867₁₂
Base 13	733₁₃	739₁₃
Base 14	637₁₄	63d₁₄
Base 15	56a₁₅	571₁₅
Base 16	4c9₁₆	4cf₁₆