Properties of the Number 28365

Twenty-Eight Thousand Three Hundred Sixty-Five

Basics

Value: 28364 → 28365 → 28366

Parity: odd

Prime: No

Previous Prime: 28351

Next Prime: 28387

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 31 × 61

Divisors: 1, 3, 5, 15, 31, 61, 93, 155, 183, 305

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111011001101

Octal: 67315

Duodecimal: 144B9

Hexadecimal: 6ecd

Square: 804573225

Square Root: 168.41912005470164

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

Triangular matrix T, read by rows, where row n of T equals row (n-1) of Tⁿ⁺¹ with an appended '1'. A121412

a(n) is both the sum of n+1 consecutive integers and the sum of the n immediately higher consecutive integers. A59270

T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..3 nXk array. A219373

Number of (w,x,y,z) with all terms in {1,...,n} and median<=mean. A212134

a(n) = n*(2·n + 1)*(4·n + 1). A316224

Number of nX3 arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..3 nX3 array. A219368

Number of nX5 arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..3 nX5 array. A219370

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 438", based on the 5-celled von Neumann neighborhood. A272219

Number of nX7 0..1 arrays with every element unequal to 0, 2, 3 or 5 king-move adjacent elements, with upper left element zero. A304009

Orders of non-cyclic simple groups (divided by 4). A8976