Properties of the Number 22473

Twenty-Two Thousand Four Hundred Seventy-Three

Basics

Value: 22472 → 22473 → 22474

Parity: odd

Prime: No

Previous Prime: 22469

Next Prime: 22481

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 11 × 227

Divisors: 1, 3, 9, 11, 33, 99, 227, 681, 2043, 2497

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101011111001001

Octal: 53711

Duodecimal: 11009

Hexadecimal: 57c9

Square: 505035729

Square Root: 149.90997298378784

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

a(n) = (2·n-1)*(5·n²-5·n+2)/2. A63495

Expansion of ∏_k>=1 1/(1-x^3·k-2)^k. A262877

Sum of all the middle parts in the partitions of 3n into 3 parts. A236364

Sum of the middle parts in the partitions of 4n-1 into 3 parts. A240707

a(n) = n*(4·n²+5·n-3)/2. A126335

a(n) = (122n³ + 140n² + 45n + 3n(-1)ⁿ)/8. A191698

a(1) = a(2) = 2; a(n) = a(n-1) + gpf(a(n-2)), where gpf is greatest prime factor. A258125

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 305", based on the 5-celled von Neumann neighborhood. A271162

Irregular table read by rows: T(n,k) is the start of the first run of exactly k consecutive odd numbers having exactly n divisors, or 0 if no such run exists. A319046

Number of 2's in n-th term of A022470. A22473