Properties of the Number -127756

One Hundred Twenty-Seven Thousand Seven Hundred Fifty-Six

Basics

Value: -127757 → -127756 → -127755

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 19 × 41 ²

Divisors: 1, 2, 4, 19, 38, 41, 76, 82, 164, 779

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11111001100001100

Octal: -371414

Duodecimal: -61B24

Hexadecimal: -1f30c

Square: 16321595536

Square Root: 357.4297133703352

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) = ∑_k=0..n (-1)^k * (3·k+1) * binomial(4·n-k+1,n-k)/(4·n-k+1). A390500

Total number of interior nodes in all essentially series series-parallel networks with n labeled edges, multiple edges allowed. A58478

a(n) = A080313(n)/2. A80315