λ
Sequence Observatory

1,293,832

23 × 161729
Deficient Even Composite

Starting at 1,293,832, the Collatz iteration reaches 1 after 93 steps. The first transition is 646916; the starting value is even with 8 positive divisors.

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Prime Factor Structure

Factorization String 2^3 × 161729
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 2,425,950
Proper Divisor Sum 1,132,118
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #1293829 ← → #1293839

Radix Representation

Decimal 1293832
Binary 100111011111000001000 (21 bits)
Octal 0o4737010
Hexadecimal 0x13BE08

Divisor Catalog (5 of 8)

1 2 4 8 161,729

Collatz Trajectory (93 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.

1,293,832 646,916 323,458 161,729 485,188

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