Properties of the Number 7726

Seven Thousand Seven Hundred Twenty-Six

Basics

Value: 7725 → 7726 → 7727

Parity: even

Prime: No

Previous Prime: 7723

Next Prime: 7727

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 3863

Divisors: 1, 2, 3863, 7726

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1111000101110

Octal: 17056

Duodecimal: 457A

Hexadecimal: 1e2e

Square: 59691076

Square Root: 87.89766777338293

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 k for which 10k+1, 10k+3, 10k+7 and 10k+9 are primes. A7811

Triangle Q, read by rows, such that Q² transforms column k of Q² into column k+1 of Q², so that column k of Q² equals column 0 of Q^2·k+2, where Q² denotes the matrix square of Q. A113350

Number of partitions p of n such that median(p) >= multiplicity(max(p)). A240211

Number of partitions of n into Fibonacci number of integer parts. A102848

Column 2 of triangle A113350, also equals column 0 of A113340⁶. A113352

Ceiling(n·exp(-sec(n))). A134910

a(n) is the least k such that k^2ⁿ*(k^2ⁿ - 1) + 1 is prime. A246119

Triangle T(n,k), n >= 2, 0 <= k <= floor(n²/2)-n, read by rows, where T(n,k) is the number of 2*(k+n)-cycles in the n X n grid graph which pass through NW and SW corners. A333652

0-sequence of reduction of (3n-1) by x² -> x+1. A192309

Number of subsets of [1..n] of maximal size that are free of 3-term arithmetic progressions. A262347