Compare 99720 vs 99721

Property	99720	99721
Type	composite number	prime
Unique factors	4	1
Total factors	7	1
Prime factorization	2³ × 3² × 5¹ × 277¹	99721¹
Prime factorization	2 × 2 × 2 × 3 × 3 × 5 × 277	99721
Divisors count	48	2
Divisors	1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 277, 360, 554, 831, 1108, 1385, 1662, 2216, 2493, 2770, 3324, 4155, 4986, 5540, 6648, 8310, 9972, 11080, 12465, 16620, 19944, 24930, 33240, 49860, 99720	1, 99721
Number of properties	0	5
Emirps		1638th
Harmonic primes		3613th
Primes		9569th
Pythagorean primes		4770th
Twin primes (2nd member)		1223rd
Roman numberals
Base 2	11000010110001000₂	11000010110001001₂
Base 3	12001210100₃	12001210101₃
Base 4	120112020₄	120112021₄
Base 5	11142340₅	11142341₅
Base 6	2045400₆	2045401₆
Base 7	563505₇	563506₇
Base 8	302610₈	302611₈
Base 9	161710₉	161711₉
Base 10	99720₁₀	99721₁₀
Base 11	68a15₁₁	68a16₁₁
Base 12	49860₁₂	49861₁₂
Base 13	3650a₁₃	3650b₁₃
Base 14	284ac₁₄	284ad₁₄
Base 15	1e830₁₅	1e831₁₅
Base 16	18588₁₆	18589₁₆