λ
Sequence Observatory

3,517,408

25 × 109919
Deficient Even Composite

Starting at 3,517,408, the Collatz iteration reaches 1 after 102 steps. The first transition is 1758704; the starting value is even with 12 positive divisors.

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Prime Factor Structure

Factorization String 2^5 × 109919
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 6,924,960
Proper Divisor Sum 3,407,552
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #3517399 ← → #3517417

Radix Representation

Decimal 3517408
Binary 1101011010101111100000 (22 bits)
Octal 0o15325740
Hexadecimal 0x35ABE0

Divisor Catalog (5 of 12)

1 2 4 8 16

Collatz Trajectory (102 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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