mscroggs.co.uk
mscroggs.co.uk

subscribe

Advent calendar 2018

4 December

Today's number is the number of 0s that 611! (611×610×...×2×1) ends in.

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

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

Archive

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