Belphegor's prime

proper noun

The prime number 1,000,000,000,000,066,600,000,000,000,001, a palindrome which contains 666 (the Number of the Beast) and also two sets of thirteen zeroes.

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Meanings

proper noun
  1. mathematicsThe prime number 1,000,000,000,000,066,600,000,000,000,001, a palindrome which contains 666 (the Number of the Beast) and also two sets of thirteen zeroes.
Cite this entry
APA

Belphegor's prime. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Belphegor's%20prime

MLA

“Belphegor's prime.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Belphegor's%20prime. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Belphegor's prime,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Belphegor's%20prime.

Source: Belphegor's prime on Wiktionary, CC BY-SA 4.0.