Properties of the Number 16775

Sixteen Thousand Seven Hundred Seventy-Five

Basics

Value: 16774 → 16775 → 16776

Parity: odd

Prime: No

Previous Prime: 16763

Next Prime: 16787

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 5 ² × 11 × 61

Divisors: 1, 5, 11, 25, 55, 61, 275, 305, 671, 1525

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100000110000111

Octal: 40607

Duodecimal: 985B

Hexadecimal: 4187

Square: 281400625

Square Root: 129.51833846988617

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

Difference of two positive 5th powers. A181124

Number of ways to color vertices of a pentagon using <= n colors, allowing rotations and reflections. A60446

A positive integer n is included if n, when written in binary, is made of run-lengths (lengths of runs of 0's as well as of runs of 1's) that form a permutation of some number of consecutive positive integers starting with 1. A175061

Column 2 of triangle in A288180. A333281

Least integer, k, whose value is n in A165413. A165933

a(n) = 7ⁿ - 2ⁿ. A190540

Consider all integer triples (i,j,k), j >= k > 0, with i³ = binomial(j+2,3) + binomial(k+2,3), ordered by increasing i; sequence gives i values. A54208

Monotonic ordering of nonnegative differences 7ⁱ-2^j, for 40>=i>=0, j>=0. A192119

Square array T(n,k), n >= 1, k >= 1, read by antidiagonals downwards, where T(n,k) = ∑_j=1..n (-1)^j+1 * floor(n/(2·j-1))^k. A350161

Denominators of continued fraction convergents to sinh(1). A78981