248 (two hundred [and] forty-eight) is the natural number following 247 and preceding 249.
Additionally, 248 is:
- a nontotient.
- a refactorable number.
- an untouchable number.
- palindromic in bases 13 (161<sub>13</sub>), 30 (88<sub>30</sub>), 61 (44<sub>61</sub>) and 123 (22<sub>123</sub>).
- a Harshad number in bases 3, 4, 6, 7, 9, 11, 13 (and 18 other bases).
- part of the 43-aliquot tree. The aliquot sequence starting at 248 is: 248, 232, 218, 112, 136, 134, 70, 74, 40, 50, 43, 1, 0.
The exceptional Lie group E<sub>8</sub> has dimension 248.
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