Properties of the Number -160797

One Hundred Sixty Thousand Seven Hundred Ninety-Seven

Basics

Value: -160798 → -160797 → -160796

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 × 13 × 19 × 31

Divisors: 1, 3, 7, 13, 19, 21, 31, 39, 57, 91

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100111010000011101

Octal: -472035

Duodecimal: -79079

Hexadecimal: -2741d

Square: 25855675209

Square Root: 400.9950124378108

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

Odd numbers m such that σ(x) = m has more than 1 solution. A300869

a(n) = 16n⁴ + 64n³ + 104n² + 80n + 21. A176711

Odd hexagonal pyramidal numbers. A15225

Intersection of A065764 and A065765: n such that·and y exist with σ[x²] = n = σ[2*(y²)]. A65767

a(n) = sqrt(σ(2·m²)), where m = A097023(n), i.e., σ(2·m²) is a square. A163764

Expansion of c(x²-x³), c(x) the g.f. of A000108. A115399

Sum of divisors of the minimal numbers (A007416). A256259

a(n) is the least positive number that can be written as p² + p·q + q² in exactly n ways where p and q are primes and p <= q. A350655