λ
Sequence Observatory

5,143,329

32 × 23 × 24847
Deficient Odd Composite

Starting at 5,143,329, the Collatz iteration reaches 1 after 126 steps. The first transition is 15429988; the starting value is odd with 12 positive divisors.

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Prime Factor Structure

Factorization String 3^2 × 23 × 24847
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 7,752,576
Proper Divisor Sum 2,609,247
Digit Sum / Digital Root 27 (Root: 9)
Adjacent Primes #5143321 ← → #5143339

Radix Representation

Decimal 5143329
Binary 10011100111101100100001 (23 bits)
Octal 0o23475441
Hexadecimal 0x4E7B21

Divisor Catalog (5 of 12)

1 3 9 23 69

Collatz Trajectory (126 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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