Properties of the Number -427520

Four Hundred Twenty-Seven Thousand Five Hundred Twenty

Basics

Value: -427521 → -427520 → -427519

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ⁹ × 5 × 167

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1101000011000000000

Octal: -1503000

Duodecimal: -1874A8

Hexadecimal: -68600

Square: 182773350400

Square Root: 653.8501357344816

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

Number of walks of length n on one 60-degree wedge of the equilateral triangular lattice. The walk can go along the walls of the wedge, but cannot cross the walls. A129400

∏_n>=1 (1 + a(n)*xⁿ/n!) = 1 + tanh(x). A353779

Triangle read by rows, T(n,k) for 0<=k<=n, generalizes the colored Motzkin paths of A129400. A201641

Number of (6+2) X (n+2) 0..3 arrays with every 3 X 3 subblock row and diagonal sum equal to 0 2 3 6 or 7 and every 3 X 3 column and antidiagonal sum not equal to 0 2 3 6 or 7. A252538