Properties of the Number 28984

Twenty-Eight Thousand Nine Hundred Eighty-Four

Basics

Value: 28983 → 28984 → 28985

Parity: even

Prime: No

Previous Prime: 28979

Next Prime: 29009

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 ³ × 3623

Divisors: 1, 2, 4, 8, 3623, 7246, 14492, 28984

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111000100111000

Octal: 70470

Duodecimal: 14934

Hexadecimal: 7138

Square: 840072256

Square Root: 170.24687956024334

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 (n+2)X(k+2) 0..3 arrays with every 3X3 subblock commuting with each horizontal and vertical neighbor 3X3 subblock. A186881

Number of (n+2) X 5 0..3 arrays with every 3 X 3 subblock commuting with each horizontal and vertical neighbor 3 X 3 subblock. A186875

Number of (n+2) X 7 0..3 arrays with every 3 X 3 subblock commuting with each horizontal and vertical neighbor 3 X 3 subblock. A186877

Number of 4-step left-handed knight's tours (moves only out two, left one) on an n X n board summed over all starting positions. A187174

The number of antichains in the Tamari lattice of order n. A358562

Number of integers k not exceeding 2ⁿ such that the cube of number of divisors [A000005(k)] is larger than k. A56764

Palindromes whose sum of divisors is odd. A28984