To cite package ‘numbers’ in publications use:

Borchers HW (2025). numbers: Number-Theoretic Functions. R package version 0.9-2, https://CRAN.R-project.org/package=numbers.

Corresponding BibTeX entry:

  @Manual{,
    title = {numbers: Number-Theoretic Functions},
    author = {Hans Werner Borchers},
    year = {2025},
    note = {R package version 0.9-2},
    url = {https://CRAN.R-project.org/package=numbers},
  }