Properties of the Number 26954

Twenty-Six Thousand Nine Hundred Fifty-Four

Basics

Value: 26953 → 26954 → 26955

Parity: even

Prime: No

Previous Prime: 26953

Next Prime: 26959

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 13477

Divisors: 1, 2, 13477, 26954

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110100101001010

Octal: 64512

Duodecimal: 13722

Hexadecimal: 694a

Square: 726518116

Square Root: 164.17673403987544

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

Numbers k such that the continued fraction for sqrt(k) has period 67. A20406

Number of nX4 0..1 arrays with every element equal to 0, 1, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero. A299190

Number of base 24 circular n-digit numbers with adjacent digits differing by 6 or less. A125412

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero. A299194

Number of permutations of length n sortable by 5 passes through a pop-stack. A293776

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 3, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero. A300030

a(n) = ∑_k=0..n-3 T(n,k) * T(n,k+3), with T given by A026386. A26954