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.
55 = 5 × 11
7.41619848709566298339268541894853...
3.80295246076139115132264123531058...
0.0181818181818182
110111
6
67
37
| Prime number | No |
| Hexagonal number | No |
| Perfect number | No |
| Deficient number | No |
| Abundant number | No |
| Mersenne number | No |
| Harshad number | No |
| Harmonic divisor number | No |
QR55 (sequence)
1
Properties of the number 55: 55 has 4 divisors. The divisors of 55 are 1, 5, 11, 55 and the sum of them is 72. The factorization of 55 is 5 × 11. The square and cube of 55 are 3025 and 166375 respectively. The square root and cube root of 55 are 7.41619848709566298339268541894853... and 3.80295246076139115132264123531058.... The binary, octal, hexadecimal of 55 are 110111, 67, 37. 55 is not a prime number, not hexagonal number, not perfect number, not deficient number, not Mersenne number, not Mersenne number, not Harshad number, not harmonic divisor number.
-0.99975517335861985301903587242123...
0.02212675626195573577725816960537...
-45.18308791052113093655862030573189...
0.81915204428899179855960710483487...
0.57357643635104615942310601894860...
1.42814800674211439535099543718388...
4.00733318523247117326491206767969...
1.74036268949424388630120574816829...
5.78135971352465993788882769877091...