λ
Sequence Observatory

4,015,068

22 × 3 × 53 × 59 × 107
Abundant Even Composite

Starting at 4,015,068, the Collatz iteration reaches 1 after 66 steps. The first transition is 2007534; the starting value is even with 48 positive divisors.

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Prime Factor Structure

Factorization String 2^2 × 3 × 53 × 59 × 107
Distinct Prime Factors 5
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 48
Divisor Sum (σ) 9,797,760
Proper Divisor Sum 5,782,692
Digit Sum / Digital Root 24 (Root: 6)
Adjacent Primes #4015051 ← → #4015091

Radix Representation

Decimal 4015068
Binary 1111010100001111011100 (22 bits)
Octal 0o17241734
Hexadecimal 0x3D43DC

Divisor Catalog (5 of 48)

1 2 3 4 6

Collatz Trajectory (66 steps to reach 1)

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

Showing the first 5 trajectory entries; the stopping-time total above is unchanged.

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