Properties of the Number -4820

Eight Hundred Twenty

Basics

Value: -4821 → -4820 → -4819

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 5 × 241

Divisors: 1, 2, 4, 5, 10, 20, 241, 482, 964, 1205

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1001011010100

Octal: -11324

Duodecimal: -2958

Hexadecimal: -12d4

Square: 23232400

Square Root: 69.42621983083913

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

G.f.: ∑_n>=0 (xⁿ⁺¹ + i)ⁿ / (1 + i·xⁿ)ⁿ⁺¹, in which the constant term is taken to be 1. A323690

Number of separable partitions of n; see Comments. A325534

Coordination sequence for (2,3,8) tiling of hyperbolic plane. A265058

Number of solutions to the rook problem on an n X n board having a certain symmetry group (see Robinson for details). A899

Triangle read by rows: T(n,k) is the number of graphs with n vertices with edge connectivity k. A263296

Number of simple unlabeled n-node graphs of edge-connectivity 2. A52447

Numbers m such that there are precisely 20 groups of order m. A298911

Number of n X n upper triangular matrices A of nonnegative integers such that a_1i + a_2i + ... + a_i-1,i - a_ii - a_i,i+1 - ... - a_in = -1. A8608

Sum of fourth powers of Fibonacci numbers. A5969

Numbers k with the property that the average digit of k² is 2. A164770