Properties of the Number -77681

Seventy-Seven Thousand Six Hundred Eighty-One

Basics

Value: -77682 → -77681 → -77680

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 77681

Divisors: 1, 77681

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10010111101110001

Octal: -227561

Duodecimal: -38B55

Hexadecimal: -12f71

Square: 6034337761

Square Root: 278.71311415145146

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

G.f. satisfies: A(x) = (1+x) * A(x²)*A(x³)*A(x⁴)*...*A(xⁿ)*... A129373

Numbers k such that σ(φ(σ(k))) = φ(σ(φ(k))). A67160

a(n) = A365740(10ⁿ). A365741

Numerators of continued fraction convergents to sqrt(267). A41500