λ
Sequence Observatory

6,947,988

22 × 3 × 578999
Abundant Even Composite

Starting at 6,947,988, the Collatz iteration reaches 1 after 222 steps. The first transition is 3473994; the starting value is even with 12 positive divisors.

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Prime Factor Structure

Factorization String 2^2 × 3 × 578999
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 16,212,000
Proper Divisor Sum 9,264,012
Digit Sum / Digital Root 51 (Root: 6)
Adjacent Primes #6947959 ← → #6948041

Radix Representation

Decimal 6947988
Binary 11010100000010010010100 (23 bits)
Octal 0o32402224
Hexadecimal 0x6A0494

Divisor Catalog (5 of 12)

1 2 3 4 6

Collatz Trajectory (222 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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