Compare 28724 vs 28729

Property	28724	28729
Type	composite number	prime
Unique factors	3	1
Total factors	4	1
Prime factorization	2² × 43¹ × 167¹	28729¹
Prime factorization	2 × 2 × 43 × 167	28729
Divisors count	12	2
Divisors	1, 2, 4, 43, 86, 167, 172, 334, 668, 7181, 14362, 28724	1, 28729
Number of properties	0	5
Isolated primes		2217th
Primes		3130th
Pythagorean primes		1556th
Sexy primes (2nd member)		921st
Ulam primes		238th
Roman numberals
Base 2	111000000110100₂	111000000111001₂
Base 3	1110101212₃	1110102001₃
Base 4	13000310₄	13000321₄
Base 5	1404344₅	1404404₅
Base 6	340552₆	341001₆
Base 7	146513₇	146521₇
Base 8	70064₈	70071₈
Base 9	43355₉	43361₉
Base 10	28724₁₀	28729₁₀
Base 11	1a643₁₁	1a648₁₁
Base 12	14758₁₂	14761₁₂
Base 13	100c7₁₃	100cc₁₃
Base 14	a67a₁₄	a681₁₄
Base 15	879e₁₅	87a4₁₅
Base 16	7034₁₆	7039₁₆