Translation Of Triangular Numbers In Different Languages

Translate TRIANGULAR NUMBERS in European languages

English
Ways to say triangular numbers
Триъгълни числа [triʺgʺlni čisla]
Троугаоне бројеве [trougaone broǰeve]
Triangeltal

Translate TRIANGULAR NUMBERS in Austronesian languages

English
Ways to say triangular numbers
Nombor segitiga