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145
From OeisWiki
145 is an integer.
Contents
- 1 Membership in core sequences
- 2 Sequences pertaining to 145
- 3 Partitions of 145
- 4 Roots and powers of 145
- 5 Values for number theoretic functions with 145 as an argument
- 6 Factorization of some small integers in a quadratic integer ring adjoining −145, 145
- 7 Factorization of 145 in some quadratic integer rings
- 8 Representation of 145 in various bases
- 9 See also
Membership in core sequences
Odd numbers | ..., 139, 141, 143, 145, 147, 149, 151, ... | A005408 |
Composite numbers | ..., 142, 143, 144, 145, 146, 147, 148, ... | A002808 |
Semiprimes | ..., 141, 142, 143, 145, 146, 155, 158, ... | A001358 |
Squarefree numbers | ..., 141, 142, 143, 145, 146, 149, 151, ... | A005117 |
Sequences pertaining to 145
TABLE GOES HERE
Partitions of 145
There are 24908858009 partitions of 145.
Roots and powers of 145
In the table below, irrational numbers are given truncated to eight decimal places.
TABLE GOES HERE
Values for number theoretic functions with 145 as an argument
1 | ||
0 | See A028442 for other zeroes of the Mertens function. | |
34 | ||
180 | ||
4 | ||
112 | ||
2 | ||
2 | ||
This is the Carmichael lambda function. | ||
This is the Liouville lambda function. |
Factorization of some small integers in a quadratic integer ring adjoining −145, 145
PLACEHOLDER
Factorization of 145 in some quadratic integer rings
PLACEHOLDER
TABLE GOES HERE
Representation of 145 in various bases
Base | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
Representation | 10010001 | 12101 | 2101 | 1040 | 401 | 265 | 221 | 171 | 145 | 122 | 101 | B2 | A5 | 9A | 91 | 89 | 81 | 7C | 75 |
Note that 145 is a factorion in base 10 (see A014080) since 1! + 4! + 5! = 1 + 24 + 120 = 145.
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 |