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Line 3: A [[wp:Munchausen number\|Munchausen number]] is a natural number ''n'' the sum of whose digits (in base 10), each raised to the power of itself, equals ''n''. ('''Munchausen''' ~~ ~~ is also spelled: ~~ ~~ '''Münchhausen'''.) For instance:   <big> 3435 = 3<sup>3</sup> + 4<sup>4</sup> + 3<sup>3</sup> + 5<sup>5</sup> </big>▼ ▲For instance: ~~ ~~ <big> 3435 = 3<sup>3</sup> + 4<sup>4</sup> + 3<sup>3</sup> + 5<sup>5</sup> </big> ;Task Line 15 ⟶ 12: ;Also see: :* ~~ ~~ The OEIS entry: ~~ ~~ [[oeis:A046253\| A046253]] :* ~~ ~~ The Wikipedia entry: ~~ ~~ [[wp:Perfect_digit-to-digit_invariant\| Perfect digit-to-digit invariant, ~~ ~~ redirected from ~~ ~~ ''Munchausen Number'']] ~~<br/><br/>~~ =={{header\|ALGOL 68}}==

Munchausen numbers (view source)