thirteen; 13
The ordinary cardinal number 13. Used before counters as in 十三人, 十三歳, and 十三個.
There were thirteen participants in all.
My younger sister will turn thirteen this year.
king; rank 13 in cards
Card-game use: rank thirteen corresponds to a king. This does not mean a monarch in ordinary language; キング or 王 is used for that.
In this card game, thirteen is treated as a king.
キング is the everyday loanword for the king card, while 十三 is the numeral-based way of referring to the same card rank.
Standard kanji spelling for the number thirteen.
Full-width Arabic numeral form; common in Japanese digital and printed text when numerals are used.
Attested kanji numeral variant, but much less common than 十三 for the ordinary number.
Compound numeral from 十 meaning ten and 三 meaning three; together they conventionally represent 10 + 3, thirteen.