Properties of the Number 22485

Twenty-Two Thousand Four Hundred Eighty-Five

Basics

Value: 22484 → 22485 → 22486

Parity: odd

Prime: No

Previous Prime: 22483

Next Prime: 22501

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 1499

Divisors: 1, 3, 5, 15, 1499, 4497, 7495, 22485

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101011111010101

Octal: 53725

Duodecimal: 11019

Hexadecimal: 57d5

Square: 505575225

Square Root: 149.94999166388774

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

Expansion of ∏_k>=1 (1 + x^k²)^k². A291649

Number of non-crossing connected graphs on n nodes on a circle in which a fixed (distinguished) node has degree one. A89436

a(n) = 100·n² - n. A157659

a(n) is the number of edges formed by n-secting the angles of a pentagon. A335555

Triangle read by rows: T(n,k) is the number of non-crossing connected graphs on n nodes on a circle in which the root (a distinguished node) has degree k (n >= 2, 1 <= k <= n-1). A143022

a(n)² is the smallest square containing exactly n 5's. A48350

a(n) = 225·n² - 15. A158559

a(n) = smallest number m such that m² has exactly n decimal digits n. A179895

G.f.: A(x) = exp( ∑_n>=1 5·5^A112765(n) * xⁿ/n ), where A112765 is the exponent of the highest power of 5 dividing n. A195760

Expansion of 1/((1-x)*(1-2·x)*(1-7·x)*(1-8·x)). A21224