Properties of the Number 22530

Twenty-Two Thousand Five Hundred Thirty

Basics

Value: 22529 → 22530 → 22531

Parity: even

Prime: No

Previous Prime: 22511

Next Prime: 22531

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 5 × 751

Divisors: 1, 2, 3, 5, 6, 10, 15, 30, 751, 1502

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101100000000010

Octal: 54002

Duodecimal: 11056

Hexadecimal: 5802

Square: 507600900

Square Root: 150.09996668887038

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

Square array T(n,k) (n >= 1, k >= 0) read by antidiagonals: coordination sequence for root lattice A_n. A103881

Numbers k such that 2k+1, 4k+1, 6k+1 and 8k+1 are primes. A124409

Smallest k such that k·2*p(n)²+1=q is prime, k·2*q²+1=r, k·2*r²+1=s, k·2*r²+1=t, r, s, and t are also prime. A224496

a(n) = 25·n² + n. A173089

The point at which the powers of n merge on an 8-digit calculator. A216069

Coordination sequence for A₉ lattice. A8393

Number of integer sequences of length n+1 with sum zero and sum of absolute values 6. A157052

a(n) = 100·n² + 2·n. A158127

a(n) = 900·n² + 30. A158672

a(n) = ∑_d∣n d^n/d-1 * (n/d)^d-1. A359004