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Properties of the Number 26523

Twenty-Six Thousand Five Hundred Twenty-Three

Basics

Value: 26522 → 26523 → 26524

Parity: odd

Prime: No

Previous Prime: 26513

Next Prime: 26539

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 2 × 7 × 421

Divisors: 1, 3, 7, 9, 21, 63, 421, 1263, 2947, 3789

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110011110011011

Octal: 63633

Duodecimal: 13423

Hexadecimal: 679b

Square: 703469529

Square Root: 162.85883457767957

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

Number T(n,k) of compositions of n into distinct parts where each part i is marked with a word of length i over a k-ary alphabet whose letters appear in alphabetical order and all k letters occur at least once in the composition; triangle T(n,k), n>=0, 0<=k<=n, read by rows. A261836
Number of partitions p of n such that neither floor(mean(p)) nor ceiling(mean(p)) is a part. A241343
Smallest m such that gcd(A227113(m+1), A227113(m)) = n. A227289
Number of compositions of n into distinct parts where each part i is marked with a word of length i over a senary alphabet whose letters appear in alphabetical order and all letters occur at least once in the composition. A261857
Denominators of an Egyptian fraction for 1/Sqrt[26] = 0.196116135138... A145000
a(n) is the smallest positive number such that a(n)*n is an anagram of a(n)*4. A175693
Number of distinct lines passing through exactly two points in a triangular grid of side n. A362014
a(n) = T(n, n-3), T given by A026519. Also a(n) = number of integer strings s(0), ..., s(n), counted by T, such that s(n) = 3. A26523