λ
Sequence Observatory

3,707,523

32 × 411947
Deficient Odd Composite

Starting at 3,707,523, the Collatz iteration reaches 1 after 53 steps. The first transition is 11122570; the starting value is odd with 6 positive divisors.

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Prime Factor Structure

Factorization String 3^2 × 411947
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 6
Divisor Sum (σ) 5,355,324
Proper Divisor Sum 1,647,801
Digit Sum / Digital Root 27 (Root: 9)
Adjacent Primes #3707497 ← → #3707533

Radix Representation

Decimal 3707523
Binary 1110001001001010000011 (22 bits)
Octal 0o16111203
Hexadecimal 0x389283

Divisor Catalog (5 of 6)

1 3 9 411,947 1,235,841

Collatz Trajectory (53 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.

3,707,523 11,122,570 5,561,285 16,683,856 8,341,928

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