Properties of the Number 63804

Sixty-Three Thousand Eight Hundred Four

Basics

Value: 63803 → 63804 → 63805

Parity: even

Prime: No

Previous Prime: 63803

Next Prime: 63809

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 13 × 409

Divisors: 1, 2, 3, 4, 6, 12, 13, 26, 39, 52

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111100100111100

Octal: 174474

Duodecimal: 30B10

Hexadecimal: f93c

Square: 4070950416

Square Root: 252.59453675802254

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

Amicable digital pairs: The smaller number of a pair (x,y) with x <> y such that, in decimal notation and with an appropriate number of leading zeros prepended, x=(x_m...x_1x_0)_{10}, y=(y_m...y_1y_0)_{10}, x = y_m^m + ... + y₁^m + y₀^m, and y = x_m^m + ... + x₁^m + x₀^m. A262091

Recurring digital invariants of order 6. A218247

Amicable digital pairs: A262091 and A262092 interleaved. A262615

Amicable digital numbers. A264951

Amicable digital pair: the pairs from A262615 ordered by their smallest member. A264958

Least n-th order digital invariant which is not an Armstrong number (A005188), or 0 if no such term exists. A72897

Triangle T(n,k) (n >= 3, k = 1..n-2) read by rows, giving number of nonisomorphic oriented matroids with n points in n-k dimensions. A63804