Properties of the Number 7436

Seven Thousand Four Hundred Thirty-Six

Basics

Value: 7435 → 7436 → 7437

Parity: even

Prime: No

Previous Prime: 7433

Next Prime: 7451

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 11 × 13 ²

Divisors: 1, 2, 4, 11, 13, 22, 26, 44, 52, 143

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110100001100

Octal: 16414

Duodecimal: 4378

Hexadecimal: 1d0c

Square: 55294096

Square Root: 86.23224454924039

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

Robbins numbers: a(n) = ∏_k=0..n-1 (3k+1)!/(n+k)!; also the number of descending plane partitions whose parts do not exceed n; also the number of n X n alternating sign matrices (ASM's). A5130

Reverse and Add! sequence starting with 196. A6960

Q-toothpick sequence (see Comments for precise definition). A187210

Twice partition numbers. A139582

Number of reversible strings with n-1 beads of 2 colors. 4 beads are black. String is not palindromic. A32091

Positions of 5's on the spiral defined in A308890. A308895

Robbins triangle read by rows: T(n,k) = number of alternating sign n X n matrices with a 1 at top of column k (n >= 1, 1<=k<=n). A48601

a(n) = 11·n². A33584

Number of achiral hexagonal polyominoes with n cells. A30225

Coefficients in a q-analog of the function LambertW(-2·x)/(-2·x), as a triangle read by rows. A152555