Properties of the Number 28539

Twenty-Eight Thousand Five Hundred Thirty-Nine

Basics

Value: 28538 → 28539 → 28540

Parity: odd

Prime: No

Previous Prime: 28537

Next Prime: 28541

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 7 × 151

Divisors: 1, 3, 7, 9, 21, 27, 63, 151, 189, 453

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111101111011

Octal: 67573

Duodecimal: 14623

Hexadecimal: 6f7b

Square: 814474521

Square Root: 168.93489870361304

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

Numbers that are palindromic in bases 2 and 6. A182233

Numbers k such that 2·k! - 1 is prime. A76133

A convolution triangle of numbers obtained from A034171. A35529

Number of 3-colored generalized Frobenius partitions of n. A53762

Binary "cubes"; numbers whose binary representation consists of three consecutive identical blocks. A297405

Main diagonal of array A[k,n] = n-th sum of 3 consecutive k-gonal numbers, k>2. A130423

Expansion of q^3/8 * η(q)³ / η(q³)⁴ in powers of q. A187427

Expansion of (1-x)/(1-2·x+x²+2·x³). A78002

Expansion of q^3/8 * a(q) / η(q³)³ in powers of q where a() is a cubic AGM function. A187429

Number of triangular partitions of n of order 6. A276235