mscroggs.co.uk
mscroggs.co.uk

subscribe

Advent calendar 2016

10 December

The smallest number that is equal to the sum of its digits multiplied by ten more than the sum of its digits.

Archive

Show me a random puzzle
 Most recent collections 

Advent calendar 2023

Advent calendar 2022

Advent calendar 2021

Advent calendar 2020


List of all puzzles

Tags

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

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2024