λ
Sequence Observatory

826,829

172 × 2861
Deficient Odd Composite

Starting at 826,829, the Collatz iteration reaches 1 after 162 steps. The first transition is 2480488; the starting value is odd with 6 positive divisors.

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Prime Factor Structure

Factorization String 17^2 × 2861
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 6
Divisor Sum (σ) 878,634
Proper Divisor Sum 51,805
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #826811 ← → #826831

Radix Representation

Decimal 826829
Binary 11001001110111001101 (20 bits)
Octal 0o3116715
Hexadecimal 0xC9DCD

Divisor Catalog (5 of 6)

Collatz Trajectory (162 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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