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Meaning of triangular number | Babel Free

Noun CEFR B2

Definitions

Any integer that is the sum of n natural numbers from 1 to n.

Equivalents

Deutsch Dreieckszahl
Español número triangular
Suomi kolmioluku
Magyar háromszögszám
Italiano numero triangolare
日本語 三角数
Nederlands driehoeksgetal
Русский треуго́льное число́

Examples

“Ten is a triangular number⟳ being the sum of 1, 2, 3, and 4.”

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

triangular prism triangular pyramid triangularine triangularis muscle triangularity triangularizability

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