λ
Sequence Observatory

5,617,389

3 × 1872463
Deficient Odd Composite

Starting at 5,617,389, the Collatz iteration reaches 1 after 170 steps. The first transition is 16852168; the starting value is odd with 4 positive divisors.

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Prime Factor Structure

Factorization String 3 × 1872463
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 7,489,856
Proper Divisor Sum 1,872,467
Digit Sum / Digital Root 39 (Root: 3)
Adjacent Primes #5617373 ← → #5617421

Radix Representation

Decimal 5617389
Binary 10101011011011011101101 (23 bits)
Octal 0o25333355
Hexadecimal 0x55B6ED

Divisor Catalog (4)

Collatz Trajectory (170 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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