Properties of the Number 26968

Twenty-Six Thousand Nine Hundred Sixty-Eight

Basics

Value: 26967 → 26968 → 26969

Parity: even

Prime: No

Previous Prime: 26959

Next Prime: 26981

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 ³ × 3371

Divisors: 1, 2, 4, 8, 3371, 6742, 13484, 26968

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 110100101011000

Octal: 64530

Duodecimal: 13734

Hexadecimal: 6958

Square: 727273024

Square Root: 164.21936548409874

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

Expansion of e.g.f. exp(g⁴ - 1), where g = 1+x·g³ is the g.f. of A001764. A391547

Triangle read by rows: T(n,k) is the coefficient A_k in the transformation of 1 + x + x² + ... + xⁿ to the polynomial A_k*(x+(-1)^k)^k for 0 <= k <= n. A248975

p-INVERT of the positive integers, where p(S) = 1 - S⁴. A290892

p-INVERT of (1,1,0,0,0,0,...), where p(S) = 1 - S⁴. A291379

a(n) = ∑_k=0..n-2 T(n,k) * T(n,k+2), with T given by A026637. A26968