Properties of the Number 26663

Twenty-Six Thousand Six Hundred Sixty-Three

Basics

Value: 26662 → 26663 → 26664

Parity: odd

Prime: No

Previous Prime: 26647

Next Prime: 26669

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 7 × 13 × 293

Divisors: 1, 7, 13, 91, 293, 2051, 3809, 26663

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110100000100111

Octal: 64047

Duodecimal: 1351B

Hexadecimal: 6827

Square: 710915569

Square Root: 163.28808897160872

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

a(n) = ∑_{1 <= i < j <= n} (j-i)³. A24166

Number of compositions of n such that every restriction to a circular subinterval has a different sum. A325679

Fourth column of triangle A028364. A67295

a(n) is the least number k such that {k, k², ..., kⁿ} are all odious numbers (A000069), but kⁿ⁺¹ is not. A345399

Powers of fourth root of 11 rounded down. A18075

Duplicate of A024166. A85437

Numbers k such that 2·10^k + 6·R_k - 3 is prime, where R_k = 11...1 is the repunit (A002275) of length k. A98959

Indices of primes in sequence defined by A(0) = 23, A(n) = 10·A(n-1) + 33 for n > 0. A101964

T(2n-1,n-1), T given by A026659. A26663