λ
Sequence Observatory

3,999,277

47 × 85091
Deficient Odd Composite

Starting at 3,999,277, the Collatz iteration reaches 1 after 115 steps. The first transition is 11997832; the starting value is odd with 4 positive divisors.

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Prime Factor Structure

Factorization String 47 × 85091
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 4,084,416
Proper Divisor Sum 85,139
Digit Sum / Digital Root 46 (Root: 1)
Adjacent Primes #3999251 ← → #3999283

Radix Representation

Decimal 3999277
Binary 1111010000011000101101 (22 bits)
Octal 0o17203055
Hexadecimal 0x3D062D

Divisor Catalog (4)

Collatz Trajectory (115 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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