75 (septuaginta quinque) est numerus naturalis post 74 et ante 76. Numerus ordinalis congruens septuage(n)simus quintus, numerus distributivus septuageni quini est. Adverbium numerale est septuagies quinquies.

In mathematica

recensere

75 est:

Copiis infinitis exclusis, sunt 75 polyhydra uniformia (vel 76, si marginibus congruere licet).

In aliis provinciis

recensere

Septuaginta septem est:

  1. N. J. A. Sloane, ed., "Sequence A000670," The On-Line Encyclopedia of Integer Sequences (OEIS Foundation)
  2. N. J. A. Sloane, ed., "Sequence A002411," The On-Line Encyclopedia of Integer Sequences (OEIS Foundation)
  3. N. J. A. Sloane, ed., "Sequence A001106," The On-Line Encyclopedia of Integer Sequences (OEIS Foundation)
  4. N. J. A. Sloane, ed., "Sequence A007629," The On-Line Encyclopedia of Integer Sequences (OEIS Foundation)
  5. N. J. A. Sloane, ed., "Sequence A007629," The On-Line Encyclopedia of Integer Sequences (OEIS Foundation)
  6. “Who are our senators and what do they do?”, Parliament of Canada, situs accessus 2 Februarii 2014.