Properties of the Number 28169

Twenty-Eight Thousand One Hundred Sixty-Nine

Basics

Value: 28168 → 28169 → 28170

Parity: odd

Prime: No

Previous Prime: 28163

Next Prime: 28181

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 17 × 1657

Divisors: 1, 17, 1657, 28169

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111000001001

Octal: 67011

Duodecimal: 14375

Hexadecimal: 6e09

Square: 793492561

Square Root: 167.83622970026465

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 partitions of n such that (number parts having multiplicity 1) is a part and (number of 1s) is a part. A241506

a(n) is the smallest nonnegative integer such that the sum of any four ordered terms a(k), k<=n (repetitions allowed), is unique. A365300

a(n) = ∑_i=0..n digsum₄(i)⁴, where digsum₄(i) = A053737(i). A231667

Structured small rhombicubeoctahedral numbers. A100149

a(n) = a(n-1) + 3·a(n-2) -2·a(n-3) - 2·a(n-4), where a(0) = -1, a(1) = -1, a(2) = 2, a(3) = 3. A295722

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, -1), (0, 0, 1), (1, -1, -1), (1, 1, 1)}. A150359

Expansion of 1/((1-5x)(1-6x)(1-7x)(1-12x)). A28169