Properties of the Number -30848

Thirty Thousand Eight Hundred Forty-Eight

Basics

Value: -30849 → -30848 → -30847

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ⁷ × 241

Divisors: 1, 2, 4, 8, 16, 32, 64, 128, 241, 482

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111100010000000

Octal: -74200

Duodecimal: -15A28

Hexadecimal: -7880

Square: 951599104

Square Root: 175.6359872008012

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 q^-1/4 * (η(q) * η(q⁴)² / η(q²)³)² in powers of q. A79006

Expansion of ψ(-x) * ψ(-x³) / (φ(x²) * φ(x⁶)) in powers of·where φ(), ψ() are Ramanujan θ functions. A281731

Expansion of q^-1/4 * (η(q⁴) / η(q))² in powers of q. A1936

Numbers whose abundance is 14. A141546

T(n,k)=Number of length n+6 0..k arrays with every seven consecutive terms having six times some element equal to the sum of the remaining six. A249359

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal minimum nondecreasing horizontally and vertically. A253863

Numbers k such that σ(k) == 0 (mod k+7). A274559

Number of nonaveraging subsets on {1,2,...,n}. A51013

f-perfect numbers, where f(m) = m - 1. A66230

Irregular table read by rows: Take an octagon with all diagonals drawn, as in A333075. Then T(n,k) = number of k-sided polygons in that figure for k >= 3. A333076