Properties of the Number 16346

Sixteen Thousand Three Hundred Forty-Six

Basics

Value: 16345 → 16346 → 16347

Parity: even

Prime: No

Previous Prime: 16339

Next Prime: 16349

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 11 × 743

Divisors: 1, 2, 11, 22, 743, 1486, 8173, 16346

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11111111011010

Octal: 37732

Duodecimal: 9562

Hexadecimal: 3fda

Square: 267191716

Square Root: 127.85147633093644

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 read by rows: T(n,k) is the number of permutations of {1,2,...,n} having k doubledescents (0 <= k <= n-2). We say that i is a doubledescent (also called a double fall) of a permutation p if p(i) > p(i+1) > p(i+2). A162975

Sum of the fifth largest parts in the partitions of n into 6 parts. A308869

Row sums of triangle A131243. A131244

Numbers k at which point A336459(k) appears multiplicative, but A051027(k) does not. A336561

Triangle read by rows: numerators of the almost-Riordan array ( (-6·x - 3 - 3·sqrt(12·x² - 8·x + 1))/(8·x² - 3·x - 3 + (3·x - 3)*sqrt(12·x² - 8·x + 1)) | 6/(3*(1 - x)*sqrt(12·x² - 8·x + 1) - 8·x² + 3·x + 3), (1 - 4·x - sqrt(12·x² - 8·x + 1))/(2·x) ). A389739

Number of ways to group the first 2·n natural numbers into n pairs (ξ,yi) with yi>ξ, and such that the 2·n numbers ξ+yi and ξ-yi are all different. A272363

Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 361", based on the 5-celled von Neumann neighborhood. A287788

a(n) = n - A332215(n). A364253

a(n) = A082613(n) divided by the n-th power that divides it. A82614

Combined weight, as defined at A244094, of the distinct-parts partitions of n. A234924