λ
Sequence Observatory

4,638,003

3 × 31 × 49871
Deficient Odd Composite

Starting at 4,638,003, the Collatz iteration reaches 1 after 87 steps. The first transition is 13914010; the starting value is odd with 8 positive divisors.

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Prime Factor Structure

Factorization String 3 × 31 × 49871
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 6,383,616
Proper Divisor Sum 1,745,613
Digit Sum / Digital Root 24 (Root: 6)
Adjacent Primes #4638001 ← → #4638017

Radix Representation

Decimal 4638003
Binary 10001101100010100110011 (23 bits)
Octal 0o21542463
Hexadecimal 0x46C533

Divisor Catalog (5 of 8)

1 3 31 93 49,871

Collatz Trajectory (87 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.

4,638,003 13,914,010 6,957,005 20,871,016 10,435,508

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