26 (twenty-six) is the natural number following 25 and preceding 27.
| ||||
|---|---|---|---|---|
| Cardinal | twenty-six | |||
| Ordinal | 26th (twenty-sixth) | |||
| Factorization | 2 × 13 | |||
| Divisors | 1, 2, 13, 26 | |||
| Greek numeral | ΚϚ´ | |||
| Roman numeral | XXVI, xxvi | |||
| Binary | 110102 | |||
| Ternary | 2223 | |||
| Senary | 426 | |||
| Octal | 328 | |||
| Duodecimal | 2212 | |||
| Hexadecimal | 1A16 | |||
In mathematics
edit
26 is a composite number. 26 is also a telephone number, specifically, the number of ways of connecting 5 points with pairwise connections.[1]
Group Theory
editThere are 26 sporadic groups.[2]
The 26-dimensional Lorentzian unimodular lattice II25,1 plays a significant role in sphere packing problems and the classification of finite simple groups.
In religion
edit- 26 is the gematric number, being the sum of the Hebrew characters (Hebrew: יהוה) being the name of the god of Israel – YHWH (Yahweh). 26 is also the gematric number for GOD with the corresponding substitutions in English (i.e. A=1, B=2, C=3, and so on)
- In the Tenrikyo religion of Japan, 26 is frequently used, since it marks the lunar calendar date of its founder Nakayama Miki's first divine revelation and also her death.
In science
edit- Iron is the 26th element in the periodic table.
- Messier 26 is an open cluster of stars in the southern constellation of Scutum.
- NGC 26 is a spiral galaxy in the Pegasus constellation.
- The maximum time difference between two time zones is 26 hours.
In other fields
edit- 26 is the number of letters in the Latin alphabet.
References
edit- ↑ "Sloane's A000085 : Involution numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2021-12-03.
- ↑ Wilson, Robert (2009-12-14). The Finite Simple Groups. Springer Science & Business Media. p. 183. ISBN 978-1-84800-987-5.
In this chapter we introduce the 26 sporadic simple groups.
External links
edit- Prime Curios! 26 from the Prime Pages