Harman Patil (Editor)

235 (number)

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235
  
236 →

Roman numeral
  
CCXXXV

Factorization
  
5 × 47

Binary
  
111010112

Cardinal
  
two hundred thirty-five

Ordinal
  
235th (two hundred and thirty-fifth)

235 (two hundred [and] thirty-five) is the integer following 234 and preceding 236.

Contents

In mathematics

235 is:

  • a semiprime.
  • a heptagonal number.
  • a centered triangular number.
  • therefore a figurate number in two ways.
  • palindromic in bases 4 (32234), 7 (4547), 8 (3538), 13 (15113), 46 (5546) and 234 (11234)
  • a Harshad number in bases 6, 47, 48, 95, 116, 189 and 231.

    • Also:

  • There are 235 different trees with 11 unlabeled nodes.
  • If an equilateral triangle is subdivided into smaller equilateral triangles whose side length is 1/9 as small, the resulting "matchstick arrangement" will have exactly 235 different equilateral triangles of varying sizes in it.

    • In science

  • U-235 is the fissile isotope of uranium used in the first atomic bombs.

    • References

    235 (number) Wikipedia
    (Text) CC BY-SA