irrational number

English

Noun

irrational number (plural irrational numbers)

(mathematics) Any real number that cannot be expressed as a ratio of two integers.
The square root of a positive integer is an irrational number unless the positive integer is a perfect square, in which case the square root will also be a positive integer.

Antonyms

rational number

Translations

real number that is not rational

Armenian: իռացիոնալ թիվ (iṙacʿional tʿiv)
Catalan: nombre irracional m
Chinese:
Mandarin: 無理數／无理数 (zh) (wúlǐshù)
Czech: iracionální číslo n
Esperanto: neracionala nombro (eo)
Finnish: irrationaaliluku (fi)
French: nombre irrationnel (fr) m
German: irrationale Zahl (de) f
Greek: άρρητος αριθμός (el) m (árritos arithmós)
Hungarian: irracionális szám (hu)
Icelandic: óræð tala f
Indonesian: bilangan irasional
Irish: uimhir éagóimheasta f
Italian: numero irrazionale (it) m
Japanese: 無理数 (ja) (むりすう, murisū)
Kazakh: иррационал сан (irrasional san)
Korean: 무리수(無理數) (ko) (murisu)
Latin: numerus irrationalis m
Macedonian: ирациона́лен број m (iracionálen broj)
Maori: tau kewha
Polish: liczba niewymierna (pl) f
Portuguese: número irracional (pt) m
Romanian: număr irațional (ro) n
Russian: иррациона́льное число́ (ru) n (irracionálʹnoje čisló)
Serbo-Croatian:
Cyrillic: ирaционaлни брой m

Roman: iracionalni broj m
Spanish: número irracional (es) m
Tagalog: bilang na ditagwayin
Turkish: irrasyonel sayı (tr)
Vietnamese: số vô tỉ (vi)

See also

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