Properties of the Number 26169

Twenty-Six Thousand One Hundred Sixty-Nine

Basics

Value: 26168 → 26169 → 26170

Parity: odd

Prime: No

Previous Prime: 26161

Next Prime: 26171

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 11 × 13 × 61

Divisors: 1, 3, 11, 13, 33, 39, 61, 143, 183, 429

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110011000111001

Octal: 63071

Duodecimal: 13189

Hexadecimal: 6639

Square: 684816561

Square Root: 161.7683529000651

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

(1/4) * number of ways to select 3 distinct collinear points from a square of grid points with side length n. A320540

Primitive terms of A359563: terms of A359563 with no proper divisor in A359563. A359564

Number of partitions p of n such that max(p)-min(p) = 9. A218572

Partial sums of hexagonal numbers with prime indices. A117962

Number of zero-sum -n..n arrays of 4 elements with first and second differences also in -n..n. A201875

Numbers k satisfying gcd(k², σ(k²)) > σ(k), where σ is the sum-of-divisors function. A322154

Array, by antidiagonals, arising in asymptotic approximation to the number of p-groups of order pⁿ. A152253

a(n) = s(k), where k is the n-th number k such that s(j)<s(k) for all j<k, where s = A026166. A26169