Properties of the Number 23194

Twenty-Three Thousand One Hundred Ninety-Four

Basics

Value: 23193 → 23194 → 23195

Parity: even

Prime: No

Previous Prime: 23189

Next Prime: 23197

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 11597

Divisors: 1, 2, 11597, 23194

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101101010011010

Octal: 55232

Duodecimal: 1150A

Hexadecimal: 5a9a

Square: 537961636

Square Root: 152.2957648787385

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

a(1)=1. a(n) = a(n-1) + sum of the triangular numbers which are among the first (n-1) terms of the sequence. A100963

G.f. A(x) satisfies A(x) = 1 + x*(1+x³)²*A(x)². A389873

E.g.f. satisfies A(x) = 1/(1 + A(x)³ * log(1 - x·A(x)³)). A377497

Number of length 2+3 0..n arrays with every four consecutive terms having the sum of some three elements equal to three times the fourth. A248539

Composite numbers k such that φ(x) = ψ(k)*φ(k) has no solution. A292714

Numbers whose sum of divisors is prime. A23194

Array read by antidiagonals: T(n,k) = number of (n+2) X (k+2) binary arrays with every 3 X 3 subblock commuting with each horizontal and vertical neighbor 3 X 3 subblock. A190033