Properties of the Number 1682

One Thousand Six Hundred Eighty-Two

Basics

Value: 1681 → 1682 → 1683

Parity: even

Prime: No

Previous Prime: 1669

Next Prime: 1693

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 29 ²

Divisors: 1, 2, 29, 58, 841, 1682

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11010010010

Octal: 3222

Duodecimal: B82

Hexadecimal: 692

Square: 2829124

Square Root: 41.012193308819754

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

a(n) = n² + 1. A2522

a(n) = sigma₂(n): sum of squares of divisors of n. A1157

a(n) = 2·n². A1105

Triangle read by rows: Eulerian numbers of type B, T(n,k) (1 <= k <= n) given by T(n, 1) = T(n,n) = 1, otherwise T(n, k) = (2·n - 2·k + 1)*T(n-1, k-1) + (2·k - 1)*T(n-1, k). A60187

a(n) = ∑_d∣n (-1)^d-1*d². A321543

Monotonic ordering of set S generated by these rules: if·and y are in S then x² + y² is in S, and 1 is in S. A192476

Perfect powers (squares, cubes, etc., not including 1) plus 1. A216765

Sum of squares of odd divisors of n. A50999

Ruth-Aaron numbers (1): sum of prime divisors of n = sum of prime divisors of n+1. A6145

a(n) = ∑_{d divides n} d^{n/d + 1}. A78308