λ
Ratio Atlas

1,815,284

22 × 29 × 15649
Deficient Even Composite

1,815,284 factors as 2^2 × 29 × 15649. Its 12 positive divisors give a proper-divisor sum of 1,471,216, so this integer is deficient. The Collatz stopping time is 189 steps.

Prime Factor Structure

Factorization String 2^2 × 29 × 15649
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 3,286,500
Proper Divisor Sum 1,471,216
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #1815271 ← → #1815287

Radix Representation

Decimal 1815284
Binary 110111011001011110100 (21 bits)
Octal 0o6731364
Hexadecimal 0x1BB2F4

Divisor Catalog (12)

Collatz Trajectory (189 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

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