Properties of the Number 22104

Twenty-Two Thousand One Hundred Four

Basics

Value: 22103 → 22104 → 22105

Parity: even

Prime: No

Previous Prime: 22093

Next Prime: 22109

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 2 ³ × 3 ² × 307

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101011001011000

Octal: 53130

Duodecimal: 10960

Hexadecimal: 5658

Square: 488586816

Square Root: 148.6741403203664

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 of the n-th Fibonacci polynomial by x³->x²+3x+1. See Comments. A192777

a(n) = C(2,n) δ C(0,n). A147721

a(n) = 27·n² - 21·n + 6 (n>=1). A304164

Gaps of 9 in sequence A038593 (lower terms). A38657

a(n) = 961·n + 1. A158414

G.f. A(x) satisfies: A(x - 2·A(x²)) = x + A(x²). A295762

Let M be the matrix defined in A111490. Sequence gives the sum of the elements of the submatrices (from the upper left element): M(1,1); M(1,1)+M(1,2)+M(1,2)+M(2,2); M(1,1)+M(1,2)+M(1,3)+M(2,1)+M(2,2)+M(2,3)+M(3,1)+M(3,2)+M(3,3), etc. A123326

Numbers that are 4-digit palindromes in at least 2 bases. A180453

Let G denote the 9-node, 16-edge graph formed from an octagon with main diagonals drawn and a node at the center; a(n) = number of magic labelings of G with magic sum 2n. A244867

Total number of nodes in all planted trees on n nodes. A95341