Properties of the Number 28470

Twenty-Eight Thousand Four Hundred Seventy

Basics

Value: 28469 → 28470 → 28471

Parity: even

Prime: No

Previous Prime: 28463

Next Prime: 28477

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 5 × 13 × 73

Divisors: 1, 2, 3, 5, 6, 10, 13, 15, 26, 30

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110111100110110

Octal: 67466

Duodecimal: 14586

Hexadecimal: 6f36

Square: 810540900

Square Root: 168.7305544351704

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

Number of non-equivalent ways to place 2 non-attacking kings on an n X n board. A279111

3rd level triangle related to Eulerian numbers and binomial transforms (A062253 is second level, triangle of Eulerian numbers is first level and triangle with Z(0,0)=1 and Z(n,k)=0 otherwise is 0th level). A62254

Expansion of 1/(1 - ∑_k>=0 x^(2·k+1²)). A280863

Number of primitive (period n) n-bead bracelet structures which are not periodic palindromes using a maximum of three different colored beads. A328657

Zero followed by partial sums of A133405. A133409

Eulerian numbers of the third order. A217020

Table read by rows. A statistic of permutations of the multiset {1,1,2,2,...,n,n}. A358112

Maximum water retention of a magic square of order n. A201126

Number of perfect matchings in graph P₈ X P_n. A28470