Properties of the Number 28147

Twenty-Eight Thousand One Hundred Forty-Seven

Basics

Value: 28146 → 28147 → 28148

Parity: odd

Prime: No

Previous Prime: 28123

Next Prime: 28151

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 7 × 4021

Divisors: 1, 7, 4021, 28147

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110110111110011

Octal: 66763

Duodecimal: 14357

Hexadecimal: 6df3

Square: 792253609

Square Root: 167.77067681809

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

Partial sums of A299289. A299290

Expansion of e.g.f.: exp(t·x)/(1 - x/t - t² * x²). A158706

Number of -2..2 arrays x(i) of n+1 elements i=1..n+1 with set{t,u,v in 0,1}((x[i+t]+x[j+u]+x[k+v])*(-1)^t+u+v) having one, two, three, four or five distinct values for every i,j,k<=n. A211572

Number of ways to place 5 nonattacking bishops on an n X n toroidal board. A177758

Expansion of 1/((1-4x)(1-7x)(1-8x)(1-11x)). A28147