11 December

This year, I was involved in starting Chalkdust Magazine. One of my roles for the magazine has been writing the £100 crossnumber puzzle.
What is the answer to 35 across in the first issue's crossnumber?

35A. The smallest number which is one more than triple its reverse. (3)


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Sunday Afternoon Maths LXV

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


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© Matthew Scroggs 2019