Properties of the Number -28868

Twenty-Eight Thousand Eight Hundred Sixty-Eight

Basics

Value: -28869 → -28868 → -28867

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 7 × 1031

Divisors: 1, 2, 4, 7, 14, 28, 1031, 2062, 4124, 7217

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111000011000100

Octal: -70304

Duodecimal: -14858

Hexadecimal: -70c4

Square: 833361424

Square Root: 169.90585628517928

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

∑_0<j<k<=n P(k)-P(j), where P(j)=A065091(j) is the j-th odd prime. A206803

Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and column plus the two sums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A259003

Number of ordered 5-tuples of integers from [ 1,n ] with no common factors among pairs. A15663

Sum of binomial numbers A000332(k+3), with k in the reduced residue system modulo n. A192000

Least nonnegative integer which requires n letters to spell in Turkish excluding spaces and hyphens. A305100