Properties of the Number 22404

Twenty-Two Thousand Four Hundred Four

Basics

Value: 22403 → 22404 → 22405

Parity: even

Prime: No

Previous Prime: 22397

Next Prime: 22409

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 1867

Divisors: 1, 2, 3, 4, 6, 12, 1867, 3734, 5601, 7468

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101011110000100

Octal: 53604

Duodecimal: 10B70

Hexadecimal: 5784

Square: 501939216

Square Root: 149.67965793654128

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 8's in all partitions of n. A24792

a(n) = ∑_k=1..n lcm(k,n)/gcd(k,n). A56789

Number A(n,k) of n-element subsets of [k·n] whose elements sum to a multiple of n. Square array A(n,k) with n, k >= 0 read by antidiagonals. A304482

The 180-degree spoke (or ray) of a hexagonal spiral of Ulam. A244806

Number of partitions of n with n sorts of part 1 which are introduced in ascending order. A292503

Number of square multiset partitions of integer partitions of n. A323531

Number of ways a loop can cross three roads meeting in a Y n times. The loop must touch the southwest sector. A78104

Number of n-element subsets of [4n] whose elements sum to a multiple of n. A318432

Number of partitions of n with nine sorts of part 1 which are introduced in ascending order. A320740

Number of partitions of n with ten sorts of part 1 which are introduced in ascending order. A320741