mscroggs.co.uk
mscroggs.co.uk

subscribe

Advent calendar 2016

8 December

Today's number is the second smallest number that can be written as a×b×c×d×e×f×g×h×i, where a,b,...,i are all integers greater than 1.

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

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

Archive

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