Properties of the Number 4780

Four Thousand Seven Hundred Eighty

Basics

Value: 4779 → 4780 → 4781

Parity: even

Prime: No

Previous Prime: 4759

Next Prime: 4783

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 5 × 239

Divisors: 1, 2, 4, 5, 10, 20, 239, 478, 956, 1195

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1001010101100

Octal: 11254

Duodecimal: 2924

Hexadecimal: 12ac

Square: 22848400

Square Root: 69.13754406977442

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

Number of different products of partitions of n; number of partitions of n into prime parts (1 included); number of distinct orders of Abelian subgroups of symmetric group S_n. A34891

Numbers n such that the decimal expansions of both n and n² have 0 as smallest digit and 8 as largest digit. A256708

a(n)² is a square whose digits occur with an equal minimum frequency of 2. A52049

Positive integers n such that n¹⁴ + 1 is semiprime (A001358). A104335

Number of partitions of n into parts all relatively prime to n. A57562

T(n,k)=Number of nXk 0..3 arrays with row sums equal and column sums unequal to adjacent columns. A203031

E.g.f. satisfies A(x) = 1/(1 + log(1 - x·A(x)³)). A367139

Numbers which are the sum of their proper divisors containing the digit 9. A59468

Numbers k such that A003313(k) = A003313(3·k). A116459

T(n,k)=Number of nXk 0..4 arrays with each element·equal to the number of its horizontal and vertical neighbors equal to 0,1,1,0,0 for x=0,1,2,3,4. A197317