273 (number)
(Redirected from Two hundred seventy-three)
273 (two hundred [and] seventy-three) is the natural number following 272 and preceding 274.
| ||||
|---|---|---|---|---|
| Cardinal | two hundred seventy-three | |||
| Ordinal | 273rd (two hundred seventy-third) | |||
| Factorization | 3 × 7 × 13 | |||
| Greek numeral | ΣΟΓ´ | |||
| Roman numeral | CCLXXIII, cclxxiii | |||
| Binary | 1000100012 | |||
| Ternary | 1010103 | |||
| Senary | 11336 | |||
| Octal | 4218 | |||
| Duodecimal | 1A912 | |||
| Hexadecimal | 11116 | |||
273 is a sphenic number, a truncated triangular pyramid number[1] and an idoneal number. There are 273 different ternary trees with five nodes.[2]
References
[edit]- ^ Sloane, N. J. A. (ed.). "Sequence A051937 (Truncated triangular pyramid numbers))". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ^ Sloane, N. J. A. (ed.). "Sequence A001764 (Binomial(3n,n)/(2n+1) (enumerates ternary trees and also noncrossing trees))". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
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