Fransén-Robinson constant

proper noun

The numeric value of the integral over the positive real numbers of the reciprocal of the gamma function, F=∫₀ ᪲1/(Γ(x))dx=2.8077702420285....

Meanings

proper noun
  1. mathematicsThe numeric value of the integral over the positive real numbers of the reciprocal of the gamma function, F=∫₀ ᪲1/(Γ(x))dx=2.8077702420285....

    Sebah [6] utilized the Clenshaw—Curtis method (based on Chebyshev polynomials) to compute the Fransén—Robinson constant to over 600 digits.

    2003, Steven R. Finch, Mathematical Constants, Cambridge University Press, page 262

Origin

Named after mathematicians Arne Fransén and Herman P. Robinson.

Full word history & related roots →

Translations

French constante de Fransén-Robinson
  • constante de Fransén-Robinsonintegral of the reciprocal gamma function over the positive real numbers
German Fransén–Robinson-Konstante
  • Fransén–Robinson-Konstanteintegral of the reciprocal gamma function over the positive real numbers
Swedish Fransén–Robinsons konstant
  • Fransén–Robinsons konstantintegral of the reciprocal gamma function over the positive real numbers
Cite this entry
APA

Fransén-Robinson constant. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Frans%C3%A9n-Robinson%20constant

MLA

“Fransén-Robinson constant.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Frans%C3%A9n-Robinson%20constant. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “Fransén-Robinson constant,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Frans%C3%A9n-Robinson%20constant.

Source: Fransén-Robinson constant on Wiktionary, CC BY-SA 4.0.