λ
Sequence Observatory

8,600,039

73 × 25073
Deficient Odd Composite

Starting at 8,600,039, the Collatz iteration reaches 1 after 274 steps. The first transition is 25800118; the starting value is odd with 8 positive divisors.

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Prime Factor Structure

Factorization String 7^3 × 25073
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 10,029,600
Proper Divisor Sum 1,429,561
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #8600029 ← → #8600041

Radix Representation

Decimal 8600039
Binary 100000110011100111100111 (24 bits)
Octal 0o40634747
Hexadecimal 0x8339E7

Divisor Catalog (5 of 8)

Collatz Trajectory (274 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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