Maths

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Across
  1. 2. Platinum's number on the periodic table
  2. 6. The first four prime numbers in reverse order
  3. 8. The eighteenth fibonacci number
  4. 9. 32% of 4000
  5. 10. A gross
  6. 11. 32 squared
  7. 13. The 25th triangular number
  8. 14. Taylor Swift's fifth album
  9. 15. Three millennia
  10. 16. The area of a rectangle where the width is 51 and length is 11
Down
  1. 1. The number of sides on an icosikaiheptagon
  2. 2. The number of days in 103 weeks
  3. 3. 19 cubed
  4. 4. A bicentenary
  5. 5. The number of degrees in a semicircle
  6. 7. A quarter of 2128
  7. 8. The square root of 576
  8. 9. The number of sides on a tetradecagon
  9. 11. The year the first man walked on the moon
  10. 12. The 9th prime number
  11. 13. CCCXLVI in numbers
  12. 14. The police non-emergency number
  13. 17. The number of dalmations in the book by Dodie Smith