Properties of the Number 19347

Nineteen Thousand Three Hundred Forty-Seven

Basics

Value: 19346 → 19347 → 19348

Parity: odd

Prime: No

Previous Prime: 19333

Next Prime: 19373

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 6449

Divisors: 1, 3, 6449, 19347

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100101110010011

Octal: 45623

Duodecimal: B243

Hexadecimal: 4b93

Square: 374306409

Square Root: 139.09349373712632

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

Number T(n,k) of equivalence classes of ways of placing k 2 X 2 tiles in an n X 9 rectangle under all symmetry operations of the rectangle; irregular triangle T(n,k), n>=2, 0<=k<=4·floor(n/2), read by rows. A238581

Number of forests of identical trees. A35054

Sum of digits in n-th term of A022470. A22475

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 483", based on the 5-celled von Neumann neighborhood. A267829

Numbers of the form 26+p² (where p is a prime). A138689

Irregular triangular array read by rows. T(n,k) is the number of forests on n unlabeled nodes with exactly k distinct isomorphism classes of trees. A336167

Primes with primitive root 20. A19347