Properties of the Number 86726

Eighty-Six Thousand Seven Hundred Twenty-Six

Basics

Value: 86725 → 86726 → 86727

Parity: even

Prime: No

Previous Prime: 86719

Next Prime: 86729

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 × 103 × 421

Divisors: 1, 2, 103, 206, 421, 842, 43363, 86726

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10101001011000110

Octal: 251306

Duodecimal: 42232

Hexadecimal: 152c6

Square: 7521399076

Square Root: 294.4927842919076

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 nXk 0..2 arrays with exactly floor(nXk/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order. A223104

Row sums of the triangle A179380 related to Bell numbers. A179379

Number of nX7 0..2 arrays with exactly floor(nX7/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order. A223103

Number of 2Xn 0..2 arrays with exactly floor(2Xn/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order. A223105

Decimal expansion of sum(1/(6·m)²,m=1..infinity). A86726