Googology Wiki
Googology Wiki
(Adding categories)
mNo edit summary
Tag: Visual edit
Line 14: Line 14:
 
== In googology ==
 
== In googology ==
 
In Greek-based number-naming systems, 25 is associated with prefix "'''pentaicosa-'''", and with prefix "'''quinviginti-'''" in Latin systems.
 
In Greek-based number-naming systems, 25 is associated with prefix "'''pentaicosa-'''", and with prefix "'''quinviginti-'''" in Latin systems.
  +
[[File:25-0.png|thumb|220x220px]]
 
 
It can be named garfive with the [[gar-]] prefix.
 
It can be named garfive with the [[gar-]] prefix.
   

Revision as of 02:05, 3 January 2018

25 (twenty-five) is a positive integer following 24 and preceding 26. Its ordinal form is written "25th" or "twenty-fifth".

Properties

25 is an odd number.

25 is the 5th square number.

25 is the result of the Pythagorean triple 32+42 or 9+16=25.

Counting to 25 using fingers

It is possible to extend standard counting system so that it can count up to 25. The matter is that when we bend first five fingers on the one hand, we bend one on another hand and unbend all on the first. Extension of this method can be used to count all the way to 1,023, using powers of 2.

In googology

In Greek-based number-naming systems, 25 is associated with prefix "pentaicosa-", and with prefix "quinviginti-" in Latin systems.

File:25-0.png

It can be named garfive with the gar- prefix.

As a cash denomination

Some currencies, such as the Aruban florin and the Netherlands Antillean guilder, have banknotes with this number in the denomination.

Some currencies, such as the Costa Rican colón and the Uzbekistani soʻm, have coins with this number in the denomination.

Gar-: garone · gartwo · garthree · garfour · garfive · garsix · garseven · gareight · garnine · garten · garhundred · garmillion · gargoogol · gareceton · gartrialogue · gargoogolplex · gargiggol
Fz-: fzone · fztwo · fzthree · fzfour · fzfive · fzsix · fzseven · fzeight · fznine · fzten · fztwenty · fzhundred · fzthousand · fzmillion · fzgoogol · fzmilliplexion · fzgoogolplex · fzgargoogolplex · fzgargantugoogolplex · fzgiggol
Fuga-: fugaone · fugatwo · fugathree · fugafour · fugafive · fugasix · fugaseven · fugaeight · fuganine · fugaten · fugahundred · fugagoogol · fugagoogolplex · fugagargoogolplex · fugagargantugoogolplex · fugagiggol
Megafuga-: megafugaone · megafugatwo · megafugathree · megafugafour · megafugafive · megafugasix · megafugaseven · megafugaeight · megafuganine · megafugaten · megafugahundred · megafugagoogol · megafugagoogolplex · megafugagargoogolplex · megafugagargantugoogolplex · megafugagrangol
Extensions:
Booga-:: boogaone · boogatwo · boogathree · boogafour · boogafive · boogasix · boogaten · boogahundred · boogagoogol · boogagoogolplex
Gag-:: gagone · gagtwo · gagthree · gagfour · gagfive · gagsix · gagseven · gageight · gagnine · gagten · gaggoogol · gaggoogolplex