248 (number)

In today's world, 248 (number) is a topic that generates interest and debate in different areas. Whether in politics, culture, science or any other field, 248 (number) has captured the attention of experts and the general public. Throughout history, 248 (number) has played a crucial role in society, marking significant milestones and changes. In this article, we will explore various perspectives and approaches on 248 (number), analyzing its relevance and impact in today's world.

248 (two hundred forty-eight) is the natural number following 247 and preceding 249.

← 247 248 249 →
Cardinaltwo hundred forty-eight
Ordinal248th
(two hundred forty-eighth)
Factorization23 × 31
Greek numeralΣΜΗ´
Roman numeralCCXLVIII
Binary111110002
Ternary1000123
Senary10526
Octal3708
Duodecimal18812
HexadecimalF816

Additionally, 248 is:

  • a nontotient.
  • a refactorable number.
  • an untouchable number.
  • palindromic in bases 13 (16113), 30 (8830), 61 (4461) and 123 (22123).
  • 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.

References

  1. ^ Sloane, N. J. A. (ed.). "Sequence A005114 (Untouchable numbers: impossible values for sum of aliquot parts of n)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.