273 (number)

273 (two hundred [and] seventy-three) is the natural number following 272 and preceding 274. Template:Infobox number

273 is a sphenic number,<ref>Template:Cite OEIS</ref> a truncated triangular pyramid number<ref>Template:Cite OEIS</ref> and an idoneal number.<ref>Template:Cite OEIS</ref> There are 273 different ternary trees with five nodes.<ref>Template:Cite OEIS</ref>

References

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