Properties of the Number 26156

Twenty-Six Thousand One Hundred Fifty-Six

Basics

Value: 26155 → 26156 → 26157

Parity: even

Prime: No

Previous Prime: 26153

Next Prime: 26161

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 13 × 503

Divisors: 1, 2, 4, 13, 26, 52, 503, 1006, 2012, 6539

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110011000101100

Octal: 63054

Duodecimal: 13178

Hexadecimal: 662c

Square: 684136336

Square Root: 161.72816699635226

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) is the concatenation of n and 6n. A9440

Triangle read by rows: T(n,k) is the number of series-reduced rooted trees whose leaves are multisets of colors with a total of n elements using exactly k colors. A330762

Total number of parts in all compositions of n into distinct odd parts. A97936

Base 6 digits are, in order, the first n terms of the periodic sequence with initial period 3,2,1,0. A37795

Number of permutations of [2n] containing an increasing subsequence of length n. A269021

Number of nX5 0..1 arrays avoiding 0 0 0 and 1 1 1 horizontally and 0 0 1 and 0 1 0 vertically. A207771

a(n) = |{1 < k < sqrt(n)*log(n): prime(n) + C(prime(k)-1, (prime(k)-1)/2) is prime}|, where C(2j,j) = (2j)!/(j!)². A239451

a(n) = T(2n-1,n), where T is the array in A026148. A26156