Properties of the Number -123409

One Hundred Twenty-Three Thousand Four Hundred Nine

Basics

Value: -123410 → -123409 → -123408

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 11 × 13 × 863

Divisors: 1, 11, 13, 143, 863, 9493, 11219, 123409

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11110001000010001

Octal: -361021

Duodecimal: -5B501

Hexadecimal: -1e211

Square: 15229781281

Square Root: 351.29617134264356

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

a(n) = binomial(n+5,4) - 1. A63258

Numerators of r(n) := ∑_k=0..n-1 1/∏_j=0..4 (k + j + 1), for n >= 0, with r(0) = 0. A300298