Properties of the Number 28476

Twenty-Eight Thousand Four Hundred Seventy-Six

Basics

Value: 28475 → 28476 → 28477

Parity: even

Prime: No

Previous Prime: 28463

Next Prime: 28477

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 7 × 113

Divisors: 1, 2, 3, 4, 6, 7, 9, 12, 14, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111100111100

Octal: 67474

Duodecimal: 14590

Hexadecimal: 6f3c

Square: 810882576

Square Root: 168.7483333251028

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

Triangle of numbers arising in enumeration of walks on cubic lattice. A52179

T(n, k) = [x^k] ∑_k=0..n Stirling2(n, k)*RisingFactorial(x, k), triangle read by rows, for n >= 0 and 0 <= k <= n. A129062

Matrix product of Stirling2-triangle A008277(n,k) and unsigned Stirling1-triangle |A008275(n,k)|. A79641

Sums of the products of n consecutive pairs of numbers. A135036

Number of n X 3 0..2 matrices with row sums 3 and column sums n up to permutations of rows. A377067

Number of 4-line partitions of n decreasing across rows. A3292

Number of walks of length n on the simple cubic lattice terminating at height 2 above the (x,y)-plane. A52178

Numbers k that divide φ(k)² + σ(k)². A68484

Triangle of Schroeder paths counted by number of diagonal steps not preceded by an east step. A108916

Triangle read by rows: T(n,m) = ∑_i=1..n C(n,i-m)*C(n+m-i,i-1)*C(n+m-i,m)/n, with T(0,0)=1. A337991