Properties of the Number 26725

Twenty-Six Thousand Seven Hundred Twenty-Five

Basics

Value: 26724 → 26725 → 26726

Parity: odd

Prime: No

Previous Prime: 26723

Next Prime: 26729

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 ² × 1069

Divisors: 1, 5, 25, 1069, 5345, 26725

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110100001100101

Octal: 64145

Duodecimal: 13571

Hexadecimal: 6865

Square: 714225625

Square Root: 163.47782724271815

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) = ∑_k=0..n binomial(n,k²). A3099

Numbers k such that 9·10^k + 7 is prime. A96774

Number of 2 X 2 matrices with all elements in {0,1,...,n} and determinant in {0,1,...,n}. A209995

EULER transform of A002620 (with the initial 0,0,1 omitted). A72338

Numbers k such that (14·10^k + 79)/3 is prime. A295668

Number of mutual-visibility sets in the n-Andrásfai graph. A391632

Triangular array, T, read by rows: T(n,0) = T(n,n) = 1. For n >= 2 and 1<=k<=n-1, T(n,k) = T(n-1,k-1) + T(n-2,k-1) + T(n-1,k) if n is odd and k=n/2, otherwise T(n,k) = T(n-1,k-1) + T(n-1,k). A26725