Sò͘-sò͘

Kok-chióng ê sò͘

Ki-pún

$\mathbb {N} \subseteq \mathbb {Z} \subseteq \mathbb {Q} \subseteq \mathbb {R} \subseteq \mathbb {C}$ Chèng-sò͘ ${\begin{smallmatrix}\mathbb {R} ^{+}\end{smallmatrix}}$ Chū-jiân-sò͘ ${\begin{smallmatrix}\mathbb {N} \end{smallmatrix}}$ Chèng-chéng-sò͘ ${\begin{smallmatrix}\mathbb {Z} ^{+}\end{smallmatrix}}$ Siáu-sò͘ Iú-hān siáu-sò͘ Bû-hān siáu-sò͘ Sûn-khoân siáu-sò͘ Iú-lí-sò͘ ${\begin{smallmatrix}\mathbb {Q} \end{smallmatrix}}$ Tāi-sò͘-sò͘ ${\begin{smallmatrix}\mathbb {A} \end{smallmatrix}}$ Si̍t-sò͘ ${\begin{smallmatrix}\mathbb {R} \end{smallmatrix}}$ Ho̍k-cha̍p-sò͘ ${\begin{smallmatrix}\mathbb {C} \end{smallmatrix}}$ Gauss chéng-sò͘ ${\begin{smallmatrix}\mathbb {Z} [i]\end{smallmatrix}}$ Hū-sò͘ ${\begin{smallmatrix}\mathbb {R} ^{-}\end{smallmatrix}}$ Chéng-sò͘ ${\begin{smallmatrix}\mathbb {Z} \end{smallmatrix}}$ Hū-chéng-sò͘ ${\begin{smallmatrix}\mathbb {Z} ^{-}\end{smallmatrix}}$ Hun-sò͘ Tan-ūi hun-sò͘ Jī-chìn hun-sò͘ Kui-kí-sò͘ Bû-lí-sò͘ Chhiau-oa̍t-sò͘ Hu-sò͘ Jī-chhù bû-lí-sò͘ Eisenstein chéng-sò͘ ${\begin{smallmatrix}\mathbb {Z} [\omega ]\end{smallmatrix}}$

Iân-sin

Siang-ho̍k-sò͘ Sù-goân-sò͘ ${\begin{smallmatrix}\mathbb {H} \end{smallmatrix}}$ Kiōng-sù-goân-sò͘ Pat-goân-sò͘ ${\begin{smallmatrix}\mathbb {O} \end{smallmatrix}}$ Chhiau-sò͘ Siōng-chhiau si̍t-sò͘ Chhiau-ho̍k-sò͘ Si̍p-lio̍k-goân-sò͘ ${\begin{smallmatrix}\mathbb {S} \end{smallmatrix}}$ Ho̍k-sù-goân-sò͘ Tāi-si̍t-sò͘ Chhiau-si̍t-sò͘ ${\begin{smallmatrix}{}^{\star }\mathbb {R} \end{smallmatrix}}$ Chhiau-hiān-si̍t-sò͘

Kî-thaⁿ

Tùi-ngó͘-sò͘ Siang-khiok ho̍k-sò͘ Sū-sò͘ Sò͘-sò͘ Tông-û Khó-kè-soàn-só͘ Aleph sò͘ Kong-chheng-ti̍t Chhiau-hān-sò͘ Ki-sò͘ P chìn-sò͘ kui-kí-sò͘ Chéng-sò͘ sò͘-lia̍t Sò͘-ha̍k siông-sò͘ ${\begin{smallmatrix}\pi \end{smallmatrix}}$ = 3.141592653… ${\begin{smallmatrix}e\end{smallmatrix}}$ = 2.718281828… ${\begin{smallmatrix}i\end{smallmatrix}}$ = ${\begin{smallmatrix}+{\sqrt {-1}}\end{smallmatrix}}$ ${\begin{smallmatrix}\infty \end{smallmatrix}}$

Sò͘-ha̍k lāi-té kóng ê sò͘-sò͘ (素數, prime), mà ho͘-chó͘ chit-sò͘ (質數) sī kí phēng 1 toā, kan-taⁿ ē-tit hō͘ 1 kap i pún-sin tû ē chīn ê chū-jiân-sò͘. Iā tō sī kóng, sò͘-sò͘ tō sī tú-hó ū 2 ê iok-sò͘ ê chū-jiân-sò͘. Phēng 1 toā, koh m̄ sī sò͘-sò͘ ê chū-jiân-sò͘ hō-chò ha̍p-sêng-sò͘ (composite number). 0 kap 1 m̄ sī sò͘-sò͘ mā m̄ sī ha̍p-sêng-sò͘. Sò͘-sò͘ sī sò͘-lūn (number theory) ê ki-chân.

Sò͘-sò͘ ùi 2 khai-sí pâi, bô chīn-pōng:

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, ...