Properties of the Number -1298

Two Hundred Ninety-Eight

Basics

Value: -1299 → -1298 → -1297

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 11 × 59

Divisors: 1, 2, 11, 22, 59, 118, 649, 1298

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10100010010

Octal: -2422

Duodecimal: -902

Hexadecimal: -512

Square: 1684804

Square Root: 36.02776706930364

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

Expansion of (1-x-x^N)/((1-x)(1-x²)(1-x³)...(1-x^N)) for N = 5. A60024

Expansion of φ(-x³) / f(-x²) in powers of·where φ(), f() are Ramanujan θ functions. A256636

G.f. satisfies: A(x) = 1/(1 - x) * ∏_k>0 A(x^2·k) / ∏_k>1 A(x^2·k-1). A321088

Number of partitions of n into prime parts. A607

Number of points on surface of octahedron; also coordination sequence for cubic lattice: a(0) = 1; for n > 0, a(n) = 4n² + 2. A5899

a(n) = n² + 2. A59100

Numbers which are the sum of 3 nonzero 4th powers. A3337

a(n) = 3·a(n-1) + a(n-2) with a(0) = 2, a(1) = 3. A6497

Number of certain noncrossing set partitions. A280891

Numbers whose sum of even digits and sum of odd digits are equal. A36301