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220
From OeisWiki
220 is an integer.
Contents
Membership in core sequences
Even numbers | ..., 214, 216, 218, 220, 222, 224, 226, ... | A005843 |
Composite numbers | ..., 217, 218, 219, 220, 221, 222, 224, ... | A002808 |
Abundant numbers | ..., 208, 210, 216, 220, 222, 224, 228, ... | A005101 |
Tetrahedral numbers | ..., 84, 120, 165, 220, 286, 364, 455, ... | A000292 |
Sequences pertaining to 220
Multiples of 220 | 220, 440, 660, 880, 1100, 1320, 1540, 1760, 1980, 2200, 2420, 2640, ... | |
Divisors of 220 | 1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220 | A018339 |
sequence starting at 97 | 97, 292, 146, 73, 220, 110, 55, 166, 83, 250, 125, 376, 188, 94, 47, ... | A008873 |
Partitions of 220
There are 21248279009367 partitions of 220.
The Goldbach representations of 220 are 197 + 23 = 191 + 29 = 179 + 41 = 173 + 47 = 167 + 53 = 149 + 71 = 137 + 83 = 131 + 89 = 113 + 107 = 220.
Roots and powers of 220
In the table below, irrational numbers are given truncated to eight decimal places.
TABLE GOES HERE
Values for number theoretic functions with 220 as an argument
TABLE GOES HERE
Factorization of 220 in some quadratic integer rings
REMARKS GO HERE
TABLE GOES HERE
Representation of 220 in various bases
TABLE GOES HERE
See also
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 |
30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 |
40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 |
1729 |