Properties of the Number -407680

Four Hundred Seven Thousand Six Hundred Eighty

Basics

Value: -407681 → -407680 → -407679

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ⁷ × 5 × 7 ² × 13

Divisors: 1, 2, 4, 5, 7, 8, 10, 13, 14, 16

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1100011100010000000

Octal: -1434200

Duodecimal: -177B14

Hexadecimal: -63880

Square: 166202982400

Square Root: 638.4982380555173

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 partition product of Stirling₂ type [parameter k = -4] with biggest-part statistic (triangle read by rows). A157398

a(n) = φ(7ⁿ+1), where φ is Euler's totient function (A000010). A366639

A certain partition array in Abramowitz-Stegun (A-St) order. A134149

Triangle T, read by rows, where T(n,k) = A007559(n-k)*C(n,k) where A007559 equals the triple factorials in column 0. A136215

Molecular topological indices of the hypercube graphs. A192831

a(n) is φ(nⁿ + 1) where φ is the Euler totient function. A366822

Number of inequivalent ways to color the edges of a tetrahedron using at most n colors so that no two adjacent edges have the same color. A282818