λ
Sequence Observatory

1,682,051

7 × 19 × 12647
Deficient Odd Composite

Starting at 1,682,051, the Collatz iteration reaches 1 after 106 steps. The first transition is 5046154; the starting value is odd with 8 positive divisors.

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Prime Factor Structure

Factorization String 7 × 19 × 12647
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 2,023,680
Proper Divisor Sum 341,629
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #1682047 ← → #1682069

Radix Representation

Decimal 1682051
Binary 110011010101010000011 (21 bits)
Octal 0o6325203
Hexadecimal 0x19AA83

Divisor Catalog (5 of 8)

1 7 19 133 12,647

Collatz Trajectory (106 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.

1,682,051 5,046,154 2,523,077 7,569,232 3,784,616

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