248 (number)
248 (two hundred [and] forty-eight) is the natural number following 247 and preceding 249.
| ||||
|---|---|---|---|---|
| Cardinal | two hundred forty-eight | |||
| Ordinal |
248th (two hundred and forty-eighth) | |||
| Factorization | 23× 31 | |||
| Roman numeral | CCXLVIII | |||
| Binary | 111110002 | |||
| Ternary | 1000123 | |||
| Quaternary | 33204 | |||
| Quinary | 14435 | |||
| Senary | 10526 | |||
| Octal | 3708 | |||
| Duodecimal | 18812 | |||
| Hexadecimal | F816 | |||
| Vigesimal | C820 | |||
| Base 36 | 6W36 | |||
In mathematics
248 is:
- a nontotient.
- a refactorable number.
- an untouchable number.[1]
- palindromic in bases 13 (16113), 30 (8830), 61 (4461), 123 (22123) and 247 (11247).
- 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 E8 has dimension 248.
In religion
- The number 248 is the Gematria value for the Hebrew letters Ramach (Resh Mem and Het), traditionally depicted as the number of organs in the human body, and the number of positive commandments in the Torah.
References
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