Advent calendar 2018

15 December

Today's number is smallest three digit palindrome whose digits are all non-zero, and that is not divisible by any of its digits.

Show answer


Show me a random puzzle
 Most recent collections 

Sunday Afternoon Maths LXVII

Coloured weights
Not Roman numerals

Advent calendar 2018

Sunday Afternoon Maths LXVI

Cryptic crossnumber #2

Sunday Afternoon Maths LXV

Cryptic crossnumber #1
Breaking Chocolate
Square and cube endings

List of all puzzles


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


Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2019