λ
Ratio Atlas

1,990,498

2 × 223 × 4463
Deficient Even Composite

1,990,498 factors as 2 × 223 × 4463. Its 8 positive divisors give a proper-divisor sum of 1,009,310, so this integer is deficient. The Collatz stopping time is 60 steps.

Prime Factor Structure

Factorization String 2 × 223 × 4463
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 2,999,808
Proper Divisor Sum 1,009,310
Digit Sum / Digital Root 40 (Root: 4)
Adjacent Primes #1990493 ← → #1990507

Radix Representation

Decimal 1990498
Binary 111100101111101100010 (21 bits)
Octal 0o7457542
Hexadecimal 0x1E5F62

Divisor Catalog (8)

Collatz Trajectory (60 steps to reach 1)

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

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