Compare 131223 vs 131231

Property	131223	131231
Type	composite number	prime
Unique factors	4	1
Total factors	4	1
Prime factorization	3¹ × 17¹ × 31¹ × 83¹	131231¹
Prime factorization	3 × 17 × 31 × 83	131231
Divisors count	16	2
Divisors	1, 3, 17, 31, 51, 83, 93, 249, 527, 1411, 1581, 2573, 4233, 7719, 43741, 131223	1, 131231
Number of properties	0	4
Additive primes		5056th
Chen primes		5290th
Isolated primes		9209th
Primes		12262nd
Roman numberals
Base 2	100000000010010111₂	100000000010011111₂
Base 3	20200000010₃	20200000102₃
Base 4	200002113₄	200002133₄
Base 5	13144343₅	13144411₅
Base 6	2451303₆	2451315₆
Base 7	1054401₇	1054412₇
Base 8	400227₈	400237₈
Base 9	220003₉	220012₉
Base 10	131223₁₀	131231₁₀
Base 11	8a654₁₁	8a661₁₁
Base 12	63b33₁₂	63b3b₁₂
Base 13	47961₁₃	47969₁₃
Base 14	35b71₁₄	35b79₁₄
Base 15	28d33₁₅	28d3b₁₅
Base 16	20097₁₆	2009f₁₆