27 = 33, a perfect cube.
27 is the largest number that is the sum of the digits of its cube: 273 = 19683; 1 + 9 + 6 + 8 + 3 = 27.
27 is the only number that is three times the sum of its digits.
27 is 11011 in base 2 (binary) and 33 in base 8.
27 is the smallest number with two representations as a sum of three squares: 27 = 12 + 12 + 52 = 32 + 32 + 32.
27 is the number of integer partitions of 15 into distinct parts.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEibb3rAer_We5tr7uanlBdH2iO-QX1NbJ4_UhaD4li9-ljh6-vK1-WsP4HRwBsgTjgN-7135eeX6Ggm7DDNmfuuwEMqYOgQkIhCqfmoIle5g8LhBzsYskqcrcHr3S76TS7_qWb3EFReEBk/s200/n0027.jpg)
The chemical element cobalt has atomic number 27.
Source: Number Gossip
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEibb3rAer_We5tr7uanlBdH2iO-QX1NbJ4_UhaD4li9-ljh6-vK1-WsP4HRwBsgTjgN-7135eeX6Ggm7DDNmfuuwEMqYOgQkIhCqfmoIle5g8LhBzsYskqcrcHr3S76TS7_qWb3EFReEBk/s200/n0027.jpg)
The chemical element cobalt has atomic number 27.
Source: Number Gossip
No comments:
Post a Comment