Properties of the Number 90582

Ninety Thousand Five Hundred Eighty-Two

Basics

Value: 90581 → 90582 → 90583

Parity: even

Prime: No

Previous Prime: 90547

Next Prime: 90583

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 31 × 487

Divisors: 1, 2, 3, 6, 31, 62, 93, 186, 487, 974

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10110000111010110

Octal: 260726

Duodecimal: 44506

Hexadecimal: 161d6

Square: 8205098724

Square Root: 300.9684368833383

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

Nonnegative integers n such that 2n² + 2n - 3 is square. A124124

a(n) = (1/2) * (5·P(n+1) + P(n) - 1), where P(k) are the Pell numbers A000129. A98586

Numbers k where d/k reaches a new record, with d the distance from the k-th triangular number to the nearest square. A229117

Number of (n+1) X (n+1) -3..3 symmetric matrices with every 2 X 2 subblock having sum zero and two or three distinct values. A211325

T(n, k) = ∑_j=0..n-k (-1)^j*binomial(n - k + 1, j)*(n - k + 1 - j)ⁿ. Triangle read by rows, T(n, k) for 1 <= k <= n. A90582