λ
Sequence Observatory

3,983,212

22 × 457 × 2179
Deficient Even Composite

Starting at 3,983,212, the Collatz iteration reaches 1 after 92 steps. The first transition is 1991606; the starting value is even with 12 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 457 × 2179
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 6,989,080
Proper Divisor Sum 3,005,868
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #3983201 ← → #3983227

Radix Representation

Decimal 3983212
Binary 1111001100011101101100 (22 bits)
Octal 0o17143554
Hexadecimal 0x3CC76C

Divisor Catalog (12)

Collatz Trajectory (92 steps to reach 1)

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

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