Properties of the Number 4720

Four Thousand Seven Hundred Twenty

Basics

Value: 4719 → 4720 → 4721

Parity: even

Prime: No

Previous Prime: 4703

Next Prime: 4721

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ⁴ × 5 × 59

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 40, 59

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1001001110000

Octal: 11160

Duodecimal: 2894

Hexadecimal: 1270

Square: 22278400

Square Root: 68.70225614927067

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

Octagonal numbers: n*(3·n-2). Also called star numbers. A567

a(n) = 1·2 + 3·4 + 5·6 + 7·8 + 9·10 + 11·12 + 13·14 + ... + (up to n). A228958

Triangle read by rows: number of permutations of 1..n by length of longest run. A10026

Second 11-gonal (or hendecagonal) numbers: a(n) = n*(9·n+7)/2. A62728

a(n) = 8ⁿ+5ⁿ-1. A155635

Triangle read by rows: number of permutations of 1..n by length l of longest run (n >= 1, 1 <= l <= n). A211318

Even octagonal numbers: a(n) = 4·n*(3·n-1). A14642

T(n,k)=Number of nXk binary arrays without the pattern 0 0 1 diagonally, antidiagonally or horizontally. A189264

Number of (w,x,y) with all terms in {0,...,n} and |w-x| < |x-y| < |y-w|. A212964

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock diagonal minus antidiagonal sum nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A253495