235 (number)
From HandWiki
Short description: Natural number
| ||||
---|---|---|---|---|
Cardinal | two hundred thirty-five | |||
Ordinal | 235th (two hundred thirty-fifth) | |||
Factorization | 5 × 47 | |||
Greek numeral | ΣΛΕ´ | |||
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 (two hundred [and] thirty-five) is the integer following 234 and preceding 236.
Additionally, 235 is:
- a semiprime.
- a heptagonal number.[1]
- a centered triangular number.[2]
- therefore a figurate number in two ways.
- palindromic in bases 4 (32234), 7 (4547), 8 (3538), 13 (15113), and 46 (5546).
- a Harshad number in bases 6, 47, 48, 95, 116, 189 and 231.
- a Smarandache–Wellin number
Also:
- 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]
References
- ↑ Sloane, N. J. A., ed. "Sequence A000566 (Heptagonal numbers)". OEIS Foundation. https://oeis.org/A000566.
- ↑ Sloane, N. J. A., ed. "Sequence A005448 (Centered triangular numbers)". OEIS Foundation. https://oeis.org/A005448.
- ↑ Sloane, N. J. A., ed. "Sequence A000055 (Number of trees with n unlabeled nodes)". OEIS Foundation. https://oeis.org/A000055.
- ↑ Sloane, N. J. A., ed. "Sequence A002717". OEIS Foundation. https://oeis.org/A002717.
Original source: https://en.wikipedia.org/wiki/235 (number).
Read more |