Properties of the Number 26386

Twenty-Six Thousand Three Hundred Eighty-Six

Basics

Value: 26385 → 26386 → 26387

Parity: even

Prime: No

Previous Prime: 26371

Next Prime: 26387

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 79 × 167

Divisors: 1, 2, 79, 158, 167, 334, 13193, 26386

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110011100010010

Octal: 63422

Duodecimal: 1332A

Hexadecimal: 6712

Square: 696220996

Square Root: 162.43768035772982

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 of triangles in the graph formed by drawing the lines connecting any two of the 2*(n+2) perimeter points of a 3 X (n+1) rectangular grid of points (or equally, a 2 X n grid of squares). A332606

Number of partitions of n whose greatest part is a multiple of 4. A363046

Number of partitions of n such that the (sum of distinct odd parts) > n/2. A284614

a(n) = 2·n⁴ - floor(2^1/4*n)⁴. A257854

A000016-A000048 (when they are lined up so that the two 16's match). A53734

Numbers k such that A073734(k) is neither squarefree nor a prime power. A365899

Numbers k such that (73·10^k - 91)/9 is prime. A294488

Numbers m such that σ(m) = τ(m)! where σ(k) = A000203(k) and τ(k) = A000005(k). A351866

Triangular array T read by rows: T(n,0) = T(n,n) = 1 for all n >= 0; T(n,k) = T(n-1,k-1) + T(n-1,k) for even n and k = 1..n-1; T(n,k) = T(n-1,k-1) + T(n-1,k) + T(n-2,k-1) for odd n and k = 1 ..n-1. A26386

Number of n X 6 0..2 arrays with rows nondecreasing and antidiagonals unimodal. A224010