λ
Sequence Observatory

8,707,225

52 × 19 × 23 × 797
Deficient Odd Composite

Starting at 8,707,225, the Collatz iteration reaches 1 after 212 steps. The first transition is 26121676; the starting value is odd with 24 positive divisors.

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Prime Factor Structure

Factorization String 5^2 × 19 × 23 × 797
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 11,874,240
Proper Divisor Sum 3,167,015
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #8707219 ← → #8707241

Radix Representation

Decimal 8707225
Binary 100001001101110010011001 (24 bits)
Octal 0o41156231
Hexadecimal 0x84DC99

Divisor Catalog (5 of 24)

1 5 19 23 25

Collatz Trajectory (212 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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