Properties of the Number 9790

Nine Thousand Seven Hundred Ninety

Basics

Value: 9789 → 9790 → 9791

Parity: even

Prime: No

Previous Prime: 9787

Next Prime: 9791

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 5 × 11 × 89

Divisors: 1, 2, 5, 10, 11, 22, 55, 89, 110, 178

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011000111110

Octal: 23076

Duodecimal: 57BA

Hexadecimal: 263e

Square: 95844100

Square Root: 98.94442884771229

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

Constant term in the reduction by (x² -> x+1) of the polynomial p(n,x) given in Comments. A192872

Number of ways to place 2 nonattacking kings on an n X n board. A61995

Number of perfect matchings on an n X n L-shaped graph. A79472

Number of disconnected 2-regular simple graphs on n vertices with girth at least 5. A185225

Number of ways to write n as an ordered sum of 5 nonprime numbers. A341482

a(n) = a(n-1) + a(n-3) + a(n-4), where a(0) = 1, a(1) = 2, a(2) = 3, a(3) = 4. A293411

a(n) = a(n-1) + rotate( a(n-1), 1 digit left), a(1) = 1. A51299

Second elementary symmetric function of the first n terms of (1,1,2,2,3,3,4,4,...). A203246

Number of (w,x,y,z) with all terms in {1,...,n} and w+x<y+z. A212523

6th-largest term in n-th row of Stern's diatomic triangle A002487. A244476