Properties of the Number -28030

Twenty-Eight Thousand Thirty

Basics

Value: -28031 → -28030 → -28029

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 × 5 × 2803

Divisors: 1, 2, 5, 10, 2803, 5606, 14015, 28030

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110110101111110

Octal: -66576

Duodecimal: -1427A

Hexadecimal: -6d7e

Square: 785680900

Square Root: 167.42162345408076

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

T(n,k)=Number of nXk 0..6 arrays with values 0..6 introduced in row major order and each element equal to at least one horizontal or vertical neighbor. A198654

T(n,k)=Number of nXk 0..7 arrays with values 0..7 introduced in row major order and each element equal to at least one horizontal or vertical neighbor. A198661

Triangle, read by rows, such that row n equals the coefficients of x^n²+n-1+k in F(x,n) for k = 1..n, where F(x,n) = (1 + x·F(x,n))*(1 + xⁿ/F(x,n)), for n>=1. A200171

Column 4 of triangle A200171. A200173

The PDO_t(n) function (Number of tagged parts over all the partitions of n with designated summands in which all parts are odd). A293422

Number of n X 2 0..6 arrays with values 0..6 introduced in row major order and each element equal to at least one horizontal or vertical neighbor. A198649

Number of nX2 0..7 arrays with values 0..7 introduced in row major order and each element equal to at least one horizontal or vertical neighbor. A198656