235 (number)
From Infogalactic: the planetary knowledge core
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|---|---|---|---|---|
| Cardinal | two hundred thirty-five | |||
| Ordinal | 235th (two hundred and thirty-fifth) |
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| Factorization | 5 × 47 | |||
| Roman numeral | CCXXXV | |||
| Binary | 111010112 | |||
| Ternary | 222013 | |||
| Quaternary | 32234 | |||
| Quinary | 14205 | |||
| Senary | 10316 | |||
| Octal | 3538 | |||
| Duodecimal | 17712 | |||
| Hexadecimal | EB16 | |||
| Vigesimal | BF20 | |||
| Base 36 | 6J36 | |||
235 is the integer after 234 and before 236.
In mathematics
235 is a figurate number in two ways: it is both a heptagonal number[1] and a centered triangular number.[2]
There are 235 different trees with 11 unlabeled nodes.[3] 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.[4]
See also
References
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- ↑ "Sloane's A000566 : Heptagonal numbers", The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ↑ "Sloane's A005448 : Centered triangular numbers", The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ↑ "Sloane's A000055 : Number of trees with n unlabeled nodes", The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ↑ "Sloane's A002717 ", The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
