λ
Sequence Observatory

8,697,577

7 × 31 × 149 × 269
Deficient Odd Composite

Starting at 8,697,577, the Collatz iteration reaches 1 after 119 steps. The first transition is 26092732; the starting value is odd with 16 positive divisors.

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Prime Factor Structure

Factorization String 7 × 31 × 149 × 269
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 10,368,000
Proper Divisor Sum 1,670,423
Digit Sum / Digital Root 49 (Root: 4)
Adjacent Primes #8697551 ← → #8697581

Radix Representation

Decimal 8697577
Binary 100001001011011011101001 (24 bits)
Octal 0o41133351
Hexadecimal 0x84B6E9

Divisor Catalog (5 of 16)

1 7 31 149 217

Collatz Trajectory (119 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.

8,697,577 26,092,732 13,046,366 6,523,183 19,569,550

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