Properties of the Number 63400

Sixty-Three Thousand Four Hundred

Basics

Value: 63399 → 63400 → 63401

Parity: even

Prime: No

Previous Prime: 63397

Next Prime: 63409

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ³ × 5 ² × 317

Divisors: 1, 2, 4, 5, 8, 10, 20, 25, 40, 50

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1111011110101000

Octal: 173650

Duodecimal: 30834

Hexadecimal: f7a8

Square: 4019560000

Square Root: 251.79356624028344

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

T(n,k)=Number of length n+2 0..k arrays with the sum of second differences multiplied by some arrangement of +-1 equal to zero. A250561

Number of ways to place 4 nonattacking amazons (superqueens) on an n X n board. A173214

Number of ordered triples (w,x,y) with all terms in {-n,...-1,1,...,n} and w+x+y>=0. A211612

Number of binary arrays indicating the locations of trailing edge maxima of a random length-n 0..6 array extended with zeros and convolved with 1,2,1. A222125

Number of length 4+2 0..n arrays with the sum of second differences multiplied by some arrangement of +-1 equal to zero. A250563

Numbers that are the sum of 10 consecutive primes and also the sum of 10 consecutive semiprimes. A284102

E.g.f. satisfies: A(log(1+x)) = x·exp(A(x)). A201827

Number of length n+2 0..7 arrays with the sum of second differences multiplied by some arrangement of +-1 equal to zero. A250560

Table read by antidiagonals: T(n, k) is the sum of the numbers inside the k-th square of size n X n when the square spiral is tiled with these squares, where each tile contains numbers which sum to the minimum possible value, and each number on the spiral can only be in one tile. A341363

Largest n-digit Carmichael numbers. A63400