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A Little Bigger Math

◆◆ · By Astoria Bob · Published 2022-08-27T21:05:51.473Z

Constructor's Note
Note that the grid is all numbers!
To construct this crossnumber puzzle, I first blocked out a grid and randomly chose numbers to fill it. Then I went ahead and devised clues, some math-based, and some just interesting facts about the numbers in the grid. With numbers, it's easier to devise a dense grid, since every number except zero can go anywhere (zero can't start a "word"). Solvers, give it a try using Crosshare!
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  • Astoria Bob constructor · 2022-08-27T21:06:13.309Z
    Oh, you're good!
    1A
    The 13th prime number
    1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    11
    12
    13
    14
    15
    16
    17
    18
    19
    20
    21
    Across
    1. 1A
      The 13th prime number
    2. 3A
      10000110001001 in base 2
    3. 7A
      DCCLV in Roman numerals
    4. 8A
      Area code for Stockton and Modesto
    5. 9A
      US Route from northern Indiana to Richmond, VA
    6. 11A
      ASCII character code for full stop or period
    7. 12A
      Sum of divisors is 256
    8. 13A
      The age every middle aged person says they are
    9. 15A
      2^5
    10. 17A
      Original area code for Virginia
    11. 19A
      Almost 1,000
    12. 20A
      7! + 10^3 + 6^2 + 2
    13. 21A
      Obama, Aaron, McCovey, West, Maravich
    Down
    1. 1D
      11 x 44 - 11
    2. 2D
      Three away from halfway between 100 and 200
    3. 4D
      628/5 in °F
    4. 5D
      3^6 + 75
    5. 6D
      Area of an isosceles triangle with base 298/5 and height 20
    6. 10D
      Pythagorean triple 105, 608, ___
    7. 13D
      543 base 7
    8. 14D
      Multiple of 100
    9. 15D
      Sum of digits is 5
    10. 16D
      Ascending digits
    11. 18D
      The number whose factorial starts with 13 and is 44 digits long
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