207 (number)

Source: Wikipedia, the free encyclopedia.
← 206 207 208 →
Cardinaltwo hundred seven
Ordinal207th
(two hundred seventh)
Factorization32 × 23
Divisors1, 3, 9, 23, 69, 207
Greek numeralΣΖ´
Roman numeralCCVII
Binary110011112
Ternary212003
Senary5436
Octal3178
Duodecimal15312
HexadecimalCF16

207 (two hundred [and] seven) is the

prime factorization
of .

In Mathematics

  • 207 is a
    Wedderburn-Etherington number.[1]
  • 207 is a deficient number, as 207's proper divisors (divisors not including the number itself) only add up to 105: .

See also

References

  1. ^ Sloane, N. J. A. (ed.). "Sequence A001190 (Wedderburn-Etherington numbers)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
  2. ^ Sloane, N. J. A. (ed.). "Sequence A066951 (Number of nonisomorphic connected graphs that can be drawn in the plane using n unit-length edges)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
  3. ].