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


Show me a random puzzle
 Most recent collections 

Advent calendar 2019

Sunday Afternoon Maths LXVII

Coloured weights
Not Roman numerals

Advent calendar 2018

Sunday Afternoon Maths LXVI

Cryptic crossnumber #2

List of all puzzles


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


Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2020