λ
Sequence Observatory

1,673,018

2 × 836509
Deficient Even Composite

Starting at 1,673,018, the Collatz iteration reaches 1 after 114 steps. The first transition is 836509; the starting value is even with 4 positive divisors.

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Prime Factor Structure

Factorization String 2 × 836509
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 2,509,530
Proper Divisor Sum 836,512
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #1673017 ← → #1673027

Radix Representation

Decimal 1673018
Binary 110011000011100111010 (21 bits)
Octal 0o6303472
Hexadecimal 0x19873A

Divisor Catalog (4)

Collatz Trajectory (114 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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