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

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

Archive

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