Properties of the Number 26983

Twenty-Six Thousand Nine Hundred Eighty-Three

Basics

Value: 26982 → 26983 → 26984

Parity: odd

Prime: No

Previous Prime: 26981

Next Prime: 26987

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 11 ² × 223

Divisors: 1, 11, 121, 223, 2453, 26983

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110100101100111

Octal: 64547

Duodecimal: 13747

Hexadecimal: 6967

Square: 728082289

Square Root: 164.26502975374888

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) = n³ - (3*(n+3))². A153259

Numbers k such that 8^k + 9 is prime. A217382

Numbers k that divide the (left) concatenation of all numbers <= k written in base 23 (most significant digit on left). A29492

Numbers k such that the sum of the divisors of k is of the form m³ + 1. A289384

Numbers that can be written as a² + 3·b² for some a, b in A155716 and also as c² + 6·d² for some c, d in A092572. A380295

Abs(square of n-th prime minus cube of n-1). A151911

a(n) = ∑_k=0..n-2 T(n,k) * T(n,k+2), with T given by A026670. A26983