Properties of the Number 26852

Twenty-Six Thousand Eight Hundred Fifty-Two

Basics

Value: 26851 → 26852 → 26853

Parity: even

Prime: No

Previous Prime: 26849

Next Prime: 26861

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 7 ² × 137

Divisors: 1, 2, 4, 7, 14, 28, 49, 98, 137, 196

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110100011100100

Octal: 64344

Duodecimal: 13658

Hexadecimal: 68e4

Square: 721029904

Square Root: 163.86579875007476

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

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the sum of each 2X2 subblock two median terms lexicographically nondecreasing columnwise and nonincreasing rowwise. A235752

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the sum of each 2X2 subblock two median terms lexicographically nondecreasing rowwise and columnwise. A235815

G.f.: ∑_k>=0 x^k*(k+1) * ∏_j=1..k ((1 + x^j)/(1 - x^j))². A376852

Number of (n+1)X(1+1) 0..3 arrays with the sum of each 2X2 subblock two median terms lexicographically nondecreasing columnwise and nonincreasing rowwise. A235749

Least positive integer k such that prime(prime(k)), prime(prime(k·n)), prime(p) and prime(q) form a 4-term arithmetic progression for some pair of primes p and q. A261462

Number of planar vertically indecomposable distributive lattices with n nodes. A345734

Numbers n for which there are exactly twelve k such that n = k + reverse(k). A72435

Number of 2 X n arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random 0..1 2 X n array. A218065

Number of (n+1)X(3+1) 0..3 arrays with the sum of each 2X2 subblock two median terms lexicographically nondecreasing columnwise and nonincreasing rowwise. A235751

Number of (n+1)X(3+1) 0..3 arrays with the sum of each 2X2 subblock two median terms lexicographically nondecreasing rowwise and columnwise. A235814