Properties of the Number 26863

Twenty-Six Thousand Eight Hundred Sixty-Three

Basics

Value: 26862 → 26863 → 26864

Parity: odd

Prime: Yes

Previous Prime: 26861

Next Prime: 26879

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 26863

Divisors: 1, 26863

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110100011101111

Octal: 64357

Duodecimal: 13667

Hexadecimal: 68ef

Square: 721620769

Square Root: 163.89935936421472

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

Where prime race 4m-1 vs. 4m+1 is tied. A7351

Number of partitions p of n such that median(p) > multiplicity(min(p)). A240215

a(0) = 1; a(n) = ∑_k=0..n-1 (k+1)² * a(k) * a(n-k-1). A376095

Numbers k such that 5·3^k + 2 is prime. A58590

a(n) = A088760(n+1)/A088760(n). A88761

Number of n X 3 arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 n X 3 array. A219699

Values of the difference d for 7 primes in geometric-arithmetic progression with the minimal sequence {7·7^j + j·d}, j = 0 to 6. A209206

Number of integers k<n with k-1 and k+1 both prime, and k and k·n both practical. A210452

Difference between A002110(n) and the largest semiprime b·c < A002110(n) where b is prime(n+1). A283425

T(2n,n+3), T given by A026747. A26863