Properties of the Number -137026

One Hundred Thirty-Seven Thousand Twenty-Six

Basics

Value: -137027 → -137026 → -137025

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 131 × 523

Divisors: 1, 2, 131, 262, 523, 1046, 68513, 137026

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100001011101000010

Octal: -413502

Duodecimal: -6736A

Hexadecimal: -21742

Square: 18776124676

Square Root: 370.17023110995837

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Triangular numbers which have one or more occurrences of exactly six different digits. A241789

Denominators of continued fraction convergents to sqrt(563). A42079

Triangular numbers whose reverse is prime. A66751

Triangular numbers whose digit reversal is prime; trailing zeros are permitted. A115704

G.f. A(x) satisfies: ∑_n>=0 x^n² * A(x)ⁿ = ∑_n>=0 xⁿ * (1+x)^n². A337850