44,491

Number

$44 \, 491$ (forty-four thousand, four hundred and ninety-one) is:

The $4623$rd prime number

The $4$th term of the smallest sequence of $5$ consecutive integers which are all happy numbers:

$\ds 44 \, 491$

$\to$

$\, \ds 4^2 + 4^2 + 4^2 + 9^2 + 1^2 \, $

$\, \ds = \, $

$\ds 130$

$\ds $

$\to$

$\, \ds 1^2 + 3^2 + 0^2 \, $

$\, \ds = \, $

$\ds 10$

$\ds $

$\to$

$\, \ds 1^2 + 0^2 \, $

$\, \ds = \, $

$\ds 1$