Properties of the Number 16340

Sixteen Thousand Three Hundred Forty

Basics

Value: 16339 → 16340 → 16341

Parity: even

Prime: No

Previous Prime: 16339

Next Prime: 16349

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 5 × 19 × 43

Divisors: 1, 2, 4, 5, 10, 19, 20, 38, 43, 76

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11111111010100

Octal: 37724

Duodecimal: 9558

Hexadecimal: 3fd4

Square: 266995600

Square Root: 127.82800945019835

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

Triangle T(n,k) = T(n-1, k) + T(n-1, k-1) + 7·T(n-2, k-1), read by rows. A153520

Number of maximal subsets of {1..n} containing n such that every pair of distinct elements has a different quotient. A325869

a(n) = n - A243071(n). A364288

T(n,k)=Number of nXk 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 2, 3 or 4 1s. A295606

a(1) = 6; for n>1, a(n) = 7·a(n-1) + 7 - n. A353098

Expansion of ∏_k>=1 1/(1 - x^2·k+3)^k. A263352

Positions of +4's in A346242. A354814

Record-breaking values, for increasing positive integers k == 1 or 5 mod 6, of the conjectured length of the longest primitive cycle(s) of positive integers under iteration by the Collatz-like 3x+k function. A226670

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 33", based on the 5-celled von Neumann neighborhood. A276966

Number of binary strings of length 2n which contain the ones' complement of each of their two halves. A237500