Properties of the Number 87922

Eighty-Seven Thousand Nine Hundred Twenty-Two

Basics

Value: 87921 → 87922 → 87923

Parity: even

Prime: No

Previous Prime: 87917

Next Prime: 87931

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 43961

Divisors: 1, 2, 43961, 87922

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101011101110010

Octal: 253562

Duodecimal: 42A6A

Hexadecimal: 15772

Square: 7730278084

Square Root: 296.5164413653988

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

Minimal positive solution·of Pell equation y² - A077426(n)*x² = -4. A78357

a(n) = sum of the squares of the coefficients of xⁿ in x^n-2k*A(x²)^n-2k, as k varies from 0 to floor(n/2), with a(0)=1. A95892

Number of (n+2) X 7 binary arrays avoiding patterns 001 and 110 in rows, columns and nw-to-se diagonals. A202444

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, -1), (-1, -1, 0), (-1, -1, 1), (0, 1, 0), (1, 0, 1)}. A149847

T(n,k)=Number of (n+2)X(k+2) binary arrays avoiding patterns 001 and 110 in rows, columns and nw-to-se diagonals. A202447

Number of (n+2)X(3+2) 0..1 arrays with no 3x3 subblock diagonal sum 0 or 1 and no antidiagonal sum 0 or 1 and no row sum 0 and no column sum 0. A254973

Duplicate of A087921. A87922