λ
Sequence Observatory

8,533,971

33 × 316073
Deficient Odd Composite

Starting at 8,533,971, the Collatz iteration reaches 1 after 212 steps. The first transition is 25601914; the starting value is odd with 8 positive divisors.

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Prime Factor Structure

Factorization String 3^3 × 316073
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 12,642,960
Proper Divisor Sum 4,108,989
Digit Sum / Digital Root 36 (Root: 9)
Adjacent Primes #8533951 ← → #8533979

Radix Representation

Decimal 8533971
Binary 100000100011011111010011 (24 bits)
Octal 0o40433723
Hexadecimal 0x8237D3

Divisor Catalog (5 of 8)

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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