761

This number is a prime.

A sequence of six 9's (known as the Feynman Point) begins immediately after the 761st decimal place of π. Nobel prize-winning physicist Richard Feynman expressed a wish to memorize the digits of π as far as that point so that when reciting them, he would be able to end with "... nine, nine, nine, nine, nine, nine, and so on."

761 = prime(761) - (7!₂ * 6!₂ * 1!₂). Note that 761 is the smallest prime with this property. [Firoozbakht]

761 = (π(7!) + π(6!) + π(1!)) - (π(7!₂) + π(6!₂) + π(1!₂))). Note that prime 761 is the only number with this property. [Firoozbakht]

The sum of all the prime numbers up to seventy-nine.

The emirp number of lines in Homer's Ro Rhapsody of Iliad. [Loungrides]

The number of possible games in Go is a one followed by 761 zeros (OMNI, June 1991). [Beavers]

The only 3-digit prime number of the form 12k+5 which does not have 3 as a primitive root. [Nie]

The English word which has the highest total sum of atomic numbers when spelled with element symbols is "superfluousnesses": (S-16, U-92, P-15, Er-68, Fl-114, U-92, O-8, U-92, Sn-50, Es-99, S-16, Es-99, when added gives 761). [Gudipati]