479

Number

$479$ (four hundred and seventy-nine) is:

The smaller of the $6$th pair of primes whose prime gap is $8$:

$487 - 479 = 8$

The $6$th positive integer after $79$, $159$, $239$, $319$, $399$ which cannot be expressed as the sum of fewer than $19$ fourth powers:

$479 = 13 \times 1^4 + 3 \times 2^4 + 2 \times 3^4 + 4^4$

or:

$479 = 10 \times 1^4 + 4 \times 2^4 + 5 \times 3^4$

The $16$th of $29$ primes of the form $2 x^2 + 29$:

$2 \times 15^2 + 29 = 479$ (Previous ... Next)

The $17$th safe prime after $5$, $7$, $11$, $23$, $47$, $59$, $83$, $107$, $167$, $179$, $227$, $263$, $347$, $359$, $383$, $467$:

$479 = 2 \times 239 + 1$