Properties of the Number -2320

Three Hundred Twenty

Basics

Value: -2321 → -2320 → -2319

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 7

Digital Root: 7

Palindrome: No

Factorization: 2 ⁴ × 5 × 29

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 29, 40

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -100100010000

Octal: -4420

Duodecimal: -1414

Hexadecimal: -910

Square: 5382400

Square Root: 48.16637831516918

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(n) = ∑_{d∣n, d == 1 mod 4} d² - ∑_{d∣n, d == 3 mod 4} d². A2173

Expansion of (1-x-x^N)/((1-x)(1-x²)(1-x³)...(1-x^N)) for N = 9. A60028

Expansion of ∏_m>=1 (1+q^m)^-4. A22599

Expansion of q^-1/2 * (η(q)⁴ * η(q⁴)² / η(q²)³)² in powers of q. A138502

McKay-Thompson series of class 15B for Monster. A58509

McKay-Thompson series of class 24f for the Monster group with a(0) = -2. A93067

McKay-Thompson series of class 12f for the Monster group. A112149

Expansion of ((φ(q) * φ(-q²)²)² - 1) / 4 in powers of q where φ() is a Ramanujan θ function. A138505

Multiples of 20 containing a 20 in their decimal representation. A121040

Number of integer partitions of n whose mean is not an integer. A349156