Properties of the Number 19269

Nineteen Thousand Two Hundred Sixty-Nine

Basics

Value: 19268 → 19269 → 19270

Parity: odd

Prime: No

Previous Prime: 19267

Next Prime: 19273

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 2141

Divisors: 1, 3, 9, 2141, 6423, 19269

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100101101000101

Octal: 45505

Duodecimal: B199

Hexadecimal: 4b45

Square: 371294361

Square Root: 138.81282361511128

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

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no 2X2 subblock having x11-x00 less than x10-x01. A251801

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no 2X2 subblock summing to less than 6. A184673

Odd composites k such that σ(k) has the same powerful part as k, where σ is the sum of divisors function. A386425

Terms k of A228058 such that gcd(k - A048250(k), A162296(k) - k) = A162296(k) - k. A325376

Constant term of the reduction by x² -> x+1 of the polynomial p(n,x) defined at Comments. A192981

Numbers k in A228058 such that also A001065(k) is in A228058. A325380

Number of (n+1) X 2 0..3 arrays with no 2 X 2 subblock summing to less than 6. A184665

Numbers n such that σ(n) and d(n) are both harmonic (Ore) numbers. A71767

Indices of primes in sequence defined by A(0) = 97, A(n) = 10·A(n-1) - 43 for n > 0. A101003

Number of (n+1)X4 0..3 arrays with no 2X2 subblock summing to less than 6. A184667