325 (number)
From EverybodyWiki Bios & Wiki
325 (three hundred [and] twenty-five) is the natural number following 324 and preceding 326.
| ||||
|---|---|---|---|---|
| Cardinal | three hundred twenty five | |||
| Ordinal | 325th (three hundred twenty-fifth) | |||
| Factorization | 52 × 131 | |||
| Divisors | 1, 5, 13, 25, 65, 325 | |||
| Greek numeral | ΤΚΕ´ | |||
| Roman numeral | CCCXXV | |||
| Binary | 1010001012 | |||
| Ternary | 1100013 | |||
| Quaternary | 110114 | |||
| Quinary | 23005 | |||
| Senary | 13016 | |||
| Octal | 5058 | |||
| Duodecimal | 23112 | |||
| Hexadecimal | 14516 | |||
| Vigesimal | G520 | |||
| Base 36 | 9136 | |||
In mathematics
- 325 is the smallest number to be the sum of two squares in 3 different ways: 12 + 182, 62 + 172 and 102 + 152.
- 325 is the smallest (and only known) 3-hyperperfect number.[1][2]
- 325 is the smallest odd unprimeable number.
References
- ↑ Sloane, N. J. A. (ed.). "Sequence A034897 (Hyperperfect numbers: x such that x = 1 + k*(sigma(x)-x-1) for some k > 0)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ↑ Sloane, N. J. A. (ed.). "Sequence A007594 (Smallest n-hyperperfect number: m such that m=n(sigma(m)-m-1)+1; or 0 if no such number exists)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
| Stub icon | This number article is a stub. You can help EverybodyWiki by expanding it. |
This article "325 (number)" is from Wikipedia. The list of its authors can be seen in its historical and/or the page Edithistory:325 (number). Articles copied from Draft Namespace on Wikipedia could be seen on the Draft Namespace of Wikipedia and not main one.
