Properties of the Number 28976

Twenty-Eight Thousand Nine Hundred Seventy-Six

Basics

Value: 28975 → 28976 → 28977

Parity: even

Prime: No

Previous Prime: 28961

Next Prime: 28979

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 2 ⁴ × 1811

Divisors: 1, 2, 4, 8, 16, 1811, 3622, 7244, 14488, 28976

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111000100110000

Octal: 70460

Duodecimal: 14928

Hexadecimal: 7130

Square: 839608576

Square Root: 170.2233826476257

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 ∏_k>=1 (∏_j=1..k (1 + x^k·j)^k). A327064

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

Numbers k such that A022567(k) is divisible by k. A304048

Number of (n+2) X 9 0..2 arrays with every 3 X 3 subblock having three equal elements in a row horizontally, vertically or nw-to-se diagonally exactly three ways, and new values 0..2 introduced in row major order. A204369

θ series of 8-d 5-modular lattice Q₈(1) with det 625 and minimal norm 4. A28976

Maximum length of a run of consecutive positive integers that are either squarefree or divisible by the square of at least one of the first n primes. A290411