Properties of the Number 85424

Eighty-Five Thousand Four Hundred Twenty-Four

Basics

Value: 85423 → 85424 → 85425

Parity: even

Prime: No

Previous Prime: 85411

Next Prime: 85427

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ⁴ × 19 × 281

Divisors: 1, 2, 4, 8, 16, 19, 38, 76, 152, 281

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100110110110000

Octal: 246660

Duodecimal: 41528

Hexadecimal: 14db0

Square: 7297259776

Square Root: 292.27384419410504

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

Number of 2 X 2 matrices with all elements in {0,...,n} and prime determinant. A281315

Triangle read by rows: T(n, k) = [x^k] p(x, n), where p(x, n) = (-1)ⁿ*(1 - 2·x)^{n + 1}* ∑_{j >= 0} (3·j + 2)ⁿ*(2·x)^j. A154594

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, 0, 0), (0, 1, 1), (1, -1, -1), (1, 1, -1)}. A148853

Number of ones in the symmetric signed digit expansion of n with q=2 (i.e., the representation of n in the (-1,0,1)_2 number system). A85424