Properties of the Number 19164

Nineteen Thousand One Hundred Sixty-Four

Basics

Value: 19163 → 19164 → 19165

Parity: even

Prime: No

Previous Prime: 19163

Next Prime: 19181

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 1597

Divisors: 1, 2, 3, 4, 6, 12, 1597, 3194, 4791, 6388

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100101011011100

Octal: 45334

Duodecimal: B110

Hexadecimal: 4adc

Square: 367258896

Square Root: 138.4340998453777

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 n such that if p=prime(n), then p, p+6, p+12, p+18 are consecutive primes with p=6·k+5 for some k, where prime(n) denotes n-th prime. A90835

Number of multisets of nonempty words with a total of n letters over septenary alphabet such that within each prefix of a word every letter of the alphabet is at least as frequent as the subsequent alphabet letter. A293737

Number of 2 X 2 matrices having all elements in {-n,...n} and determinant 2. A209984

Fibonacci sequence beginning 0, 12. A22346

Acyclic orientations of Hamming graph (K_n) x (K_n). A53870

Number of polyhexes with n cells that do not tile the plane. A70767

Numbers that form a Pythagorean 6-tuple with their first four arithmetic derivatives. A249106

a(n) = 9·n² + 21·n - 6 (n>=1). A304374

a(n) = floor ( n(n+1)(n+2)(n+3) / (n+(n+1)+(n+2)+(n+3)) ). A32767

Number of acyclic orientations of the Hamming graph (K₃) x (K_n). A54653