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In mathematics, the digit sum of a natural number in a given number base is the sum of all its digits. For example, the digit sum of the decimal number 9045 {\displaystyle 9045} would be 9 + 0 + 4 + 5 = 18. {\displaystyle 9+0+4+5=18.}
Applications, Definition & Extension to negative integers
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digit sum number displaystyle digits natural base sums integers integer digital root given decimal 18 value numbers divisibility example negative
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Digit sum | has application | The | 0.60 | section |
| Digit sum | has application | Digit | 0.60 | section |
| Digit sum | has application | For | 0.60 | section |
| Digit sum | has application | Earlier | 0.60 | section |
| Digit sum | has application | Edgeworth | 0.60 | section |
| Digit sum | has application | Gaussian | 0.60 | section |
| Digit sum | related to Definition | Let | 0.60 | section |
| Digit sum | related to Definition | We | 0.60 | section |
| Digit sum | related to Extension to negative integers | The | 0.60 | section |
| Digit sum | related to External links | Weisstein | 0.60 | section |
| Digit sum | related to External links | Eric | 0.60 | section |
| Digit sum | related to External links | MathWorld | 0.60 | section |
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