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Meanings of
trigonal number
in English
Russian
треугольные числа
Portuguese
número triangular
Spanish
numero triangular
Catalan
nombre triangular
Back to the meaning
Figurate number.
triangular number
Related terms
integer sequence
complete sequence
Russian
треугольные числа
Synonyms
Examples for "
triangular number
"
triangular number
Examples for "
triangular number
"
1
Place one counter on the table-thatis, the first
triangular
number
.
2
But indeed unity is triangular ; for every
triangular
number
(Triangular numbers are those of which equilateral triangles can be formed in this way:
3
Now for a little puzzle in
triangular
numbers
.
4
Every whole number is either triangular , or the sum of two
triangular
numbers
or the sum of three
triangular
numbers
.
5
The analogous series for
triangular
numbers
is 1, 3, 6, 1, 6, 3, 1, 9, 9.
Grammar, pronunciation and more
Translations for
trigonal number
Russian
треугольные числа
треугольное число
Portuguese
número triangular
Spanish
numero triangular
trianón
número triangular
números triangulares
trianon
numeros triangulares
Catalan
nombre triangular