mscroggs.co.uk
mscroggs.co.uk

subscribe

Advent calendar 2019

24 December

There are six 3-digit numbers with the property that the sum of their digits is equal to the product of their digits. Today's number is the largest of these numbers.

Show answer

Archive

Show me a random puzzle
 Most recent collections 

Advent calendar 2025

Advent calendar 2024

Advent calendar 2023

Advent calendar 2022


List of all puzzles

Tags

symmetry functions square roots angles regular shapes geometry games fractions algebra 3d shapes chocolate squares albgebra combinatorics circles consecutive numbers factorials even numbers means sum to infinity wordplay partitions christmas tangents routes clocks dodecagons dates digital products lines percentages area medians factors consecutive integers palindromes time floors polynomials decahedra balancing perimeter matrices doubling crossnumbers complex numbers menace folding tube maps probability integers taxicab geometry parabolas xor calculus coordinates polygons ave sets numbers dominos multiples crosswords pascal's triangle colouring grids quadratics quadrilaterals multiplaction squares triangles geometric means prime factors determinants cryptic crossnumbers ellipses advent books rugby lists proportion speed remainders scales arrows graphs cryptic clues surds prime numbers trigonometry triangle numbers volume shapes range gerrymandering cube numbers digits 2d shapes powers cards irreducible numbers products rectangles multiplication integration tiling division addition indices bases square numbers number unit fractions axes median elections hexagons tournaments people maths planes odd numbers sequences coins cubics perfect numbers pentagons digital clocks averages expansions logic chess square grids star numbers sums neighbours differentiation the only crossnumber shape geometric mean sport spheres money dice chalkdust crossnumber mean binary probabilty

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2026