Is 98 a triangular number

Anonymous

∙ 11y ago

Updated: 10/17/2024

No.

Wiki User

∙ 11y ago

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Is 49 a triangular number?

No. ---- The nth triangular number (n must be a whole number > 0) is given by: tn = 1/2 n(n+1) Testing for 49: 1/2 n(n+1) = 49 → n2 + n - 98 = 0 → n = (-1 ± √393)/2 but 393 is not a square number, so n cannot be a whole number which it must be for a triangular number; thus 49 is not a triangular number.

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Is 63 a triangular number I think it is a triangular number.

What is a number that is a triangular number and a triangular number?

013

Is 100 a triangular number?

no it is not a triangular number

Is 150 a triangular number?

Decimal triangular number it is

When you add two triangular numbers why do they equal to a square number?

They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.

Is 36 a triangular number?

36 is a triangular number, Square number and also a Consecutive number.

Is 324 a triangular number?

No, 324 is not a triangular number!

Is 23 a triangular number?

yes it is a triangular number

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No, 18 is not a triangular number.

Is 35 a triangular number?

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Is 172 a triangular number?

No, 172 is not a triangular number.

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