λ
Sequence Observatory

5,407,919

11 × 31 × 15859
Deficient Odd Composite

Starting at 5,407,919, the Collatz iteration reaches 1 after 188 steps. The first transition is 16223758; the starting value is odd with 8 positive divisors.

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Prime Factor Structure

Factorization String 11 × 31 × 15859
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 6,090,240
Proper Divisor Sum 682,321
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #5407903 ← → #5407931

Radix Representation

Decimal 5407919
Binary 10100101000010010101111 (23 bits)
Octal 0o24502257
Hexadecimal 0x5284AF

Divisor Catalog (5 of 8)

1 11 31 341 15,859

Collatz Trajectory (188 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.

5,407,919 16,223,758 8,111,879 24,335,638 12,167,819

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