λ
Sequence Observatory

8,680,971

3 × 13 × 41 × 61 × 89
Deficient Odd Composite

Starting at 8,680,971, the Collatz iteration reaches 1 after 124 steps. The first transition is 26042914; the starting value is odd with 32 positive divisors.

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Prime Factor Structure

Factorization String 3 × 13 × 41 × 61 × 89
Distinct Prime Factors 5
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 32
Divisor Sum (σ) 13,124,160
Proper Divisor Sum 4,443,189
Digit Sum / Digital Root 39 (Root: 3)
Adjacent Primes #8680951 ← → #8680993

Radix Representation

Decimal 8680971
Binary 100001000111011000001011 (24 bits)
Octal 0o41073013
Hexadecimal 0x84760B

Divisor Catalog (5 of 32)

1 3 13 39 41

Collatz Trajectory (124 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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