Properties of the Number 22698

Twenty-Two Thousand Six Hundred Ninety-Eight

Basics

Value: 22697 → 22698 → 22699

Parity: even

Prime: No

Previous Prime: 22697

Next Prime: 22699

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 13 × 97

Divisors: 1, 2, 3, 6, 9, 13, 18, 26, 39, 78

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101100010101010

Octal: 54252

Duodecimal: 11176

Hexadecimal: 58aa

Square: 515199204

Square Root: 150.65855435387664

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 repdigits with length > 2 in more than one base. A167783

Numbers m such that β(m) = τ(m)/2 + 1 where β(m) is the number of Brazilian representations of m and τ(m) is the number of divisors of m. A326381

Non-oblong composites m such that β(m) = τ(m)/2 + 1 where β(m) is the number of Brazilian representations of m and τ(m) is the number of divisors of m. A326388

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the maximum plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one. A238145

Numbers k that can be expressed as k = w + x = y·z with w·x = y² + z² where w, x, y, and z are all positive integers. A57373

Averages of twin prime pairs which can be represented as a sum of three consecutive of such pair averages. A160917

Expansion of e.g.f. 1 / (3 - 2·exp(x))^3/2. A375948

Dimension of BSym_n. A269628

a(n) = 3*(n - 2)*(5·n -11). A60785

Number of (n+1) X (2+1) 0..3 arrays with the maximum plus the lower median minus the minimum of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one. A238141