Properties of the Number 63480

Sixty-Three Thousand Four Hundred Eighty

Basics

Value: 63479 → 63480 → 63481

Parity: even

Prime: No

Previous Prime: 63473

Next Prime: 63487

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ³ × 3 × 5 × 23 ²

Divisors: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111011111111000

Octal: 173770

Duodecimal: 308A0

Hexadecimal: f7f8

Square: 4029710400

Square Root: 251.9523764523764

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

Sum of the parts in the partitions of 4n into 4 parts with smallest part = 1. A239056

Number of subsets of {2..n} containing all of their integer quotients > 1. A326078

a(n) = φ(Lucas(n)). A197218

Number of walks on square lattice. A5565

a(n) = 441·n² - 2·n. A157737

Nonnegative integers n such that 11·n² + 11·n + 1 is a square. A105838

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of e.g.f. -exp(k·x)*LambertW(-x). A294411

Triangle read by rows: T(n,k) = A(k,n-k), 1 <= k < n, 2 <= n, where A(m,n) is the number of distinct strings consisting of one X, 2·m Y's and 2·n Z's in which the X lies to the right of at least m Y's and at least n Z's. A351584

Number of length 2+2 0..n arrays with the sum of medians of adjacent triples multiplied by some arrangement of +-1 equal to zero. A253130

C(n+3)=2·C(n), where C(n) is Cototient(n) := n - φ(n) (A051953). A63480