Properties of the Number -155527

One Hundred Fifty-Five Thousand Five Hundred Twenty-Seven

Basics

Value: -155528 → -155527 → -155526

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 29 × 31 × 173

Divisors: 1, 29, 31, 173, 899, 5017, 5363, 155527

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100101111110000111

Octal: -457607

Duodecimal: -76007

Hexadecimal: -25f87

Square: 24188647729

Square Root: 394.3691164378874

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 ways to place zero or more nonadjacent 0,0 1,0 2,1 3,1 3,2 4,3 4,4 polyhexes in any orientation on a planar nXnXn triangular grid. A155343

a(n) is the constant term in expansion of ∏_k=1..n (x^k² + 1 + 1/x^k²)². A369389