Properties of the Number 28406

Twenty-Eight Thousand Four Hundred Six

Basics

Value: 28405 → 28406 → 28407

Parity: even

Prime: No

Previous Prime: 28403

Next Prime: 28409

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 7 × 2029

Divisors: 1, 2, 7, 14, 2029, 4058, 14203, 28406

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111011110110

Octal: 67366

Duodecimal: 14532

Hexadecimal: 6ef6

Square: 806900836

Square Root: 168.54079624826744

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

Consecutive internal states of the linear congruential pseudo-random number generator (171·s + 11213) mod 53125 when started at 1. A385039

Expansion of (1-4x+x²)/((1-x)(1-3x)(1-4x)). A85280

Coefficients of 1/(∑_k>=0 [(k+1)*r]*(-x)^k), where r = sqrt(5/2) and [ ] = floor. A288230

Coefficients in the expansion of 1/([r]-[2r]x+[3r]x²-...); [ ]=floor, r=11/7. A289262

Interprimes which are of the form s·prime, s=14. A75289

Number of partitions of n that do not have a fixed point that is also a fixed point of the conjugate partition. A374782

Number of independent subsets of nodes in graph formed from n-fold subdivision of 4-dimensional simplex. A27731

Numbers m with decimal expansion (d₁, ..., d_k) such that d_i = m·i mod 10 for i = 1..k. A344822

Number of types of Boolean functions of n variables under a certain group. A28406