Check the properties of a positive integer to enter the number in the search box. If you input two numbers separated by a space, the properties of the pair like GCD are shown. If you separate two numbers by a comma, the sequences containing those numbers are listed.
72 = 2 × 2 × 2 × 3 × 3
8.48528137423856954058010160224512...
4.16016764610380818112389533780515...
0.0138888888888889
1001000
7
110
48
| Prime number | No |
| Hexagonal number | No |
| Perfect number | No |
| Deficient number | No |
| Abundant number | No |
| Mersenne number | No |
| Harshad number | Yes |
| Harmonic divisor number | No |
QR72 (sequence)
0
Properties of the number 72: 72 has 12 divisors. The divisors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72 and the sum of them is 195. The factorization of 72 is 2 × 2 × 2 × 3 × 3. The square and cube of 72 are 5184 and 373248 respectively. The square root and cube root of 72 are 8.48528137423856954058010160224512... and 4.16016764610380818112389533780515.... The binary, octal, hexadecimal of 72 are 1001000, 110, 48. 72 is not a prime number, not hexagonal number, not perfect number, not deficient number, not Mersenne number, not Mersenne number, Harshad number, not harmonic divisor number.
0.25382336276203626423964010427881...
-0.96725058827388243898326436465140...
-0.26241737750193516731656018237118...
0.95105651629515353118193843329209...
0.30901699437494745126286943559535...
3.07768353717525267043697567714844...
4.27666611901605531187442466034554...
1.85733249643126852035379670269322...
6.16992500144231215131185308564454...