Compare 28912 vs 28921

Property	28912	28921
Type	composite number	prime
Unique factors	3	1
Total factors	6	1
Prime factorization	2⁴ × 13¹ × 139¹	28921¹
Prime factorization	2 × 2 × 2 × 2 × 13 × 139	28921
Divisors count	20	2
Divisors	1, 2, 4, 8, 13, 16, 26, 52, 104, 139, 208, 278, 556, 1112, 1807, 2224, 3614, 7228, 14456, 28912	1, 28921
Number of properties	0	6
Isolated primes		2233rd
Lucky primes		489th
Primes		3148th
Pythagorean primes		1565th
Sexy primes (1st member)		925th
Sexy prime triplets (1st member)		239th
Roman numberals
Base 2	111000011110000₂	111000011111001₂
Base 3	1110122211₃	1110200011₃
Base 4	13003300₄	13003321₄
Base 5	1411122₅	1411141₅
Base 6	341504₆	341521₆
Base 7	150202₇	150214₇
Base 8	70360₈	70371₈
Base 9	43584₉	43604₉
Base 10	28912₁₀	28921₁₀
Base 11	1a7a4₁₁	1a802₁₁
Base 12	14894₁₂	148a1₁₂
Base 13	10210₁₃	10219₁₃
Base 14	a772₁₄	a77b₁₄
Base 15	8877₁₅	8881₁₅
Base 16	70f0₁₆	70f9₁₆