λ
Sequence Observatory

7,047,404

22 × 7 × 13 × 19 × 1019
Abundant Even Composite

Starting at 7,047,404, the Collatz iteration reaches 1 after 72 steps. The first transition is 3523702; the starting value is even with 48 positive divisors.

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Prime Factor Structure

Factorization String 2^2 × 7 × 13 × 19 × 1019
Distinct Prime Factors 5
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 48
Divisor Sum (σ) 15,993,600
Proper Divisor Sum 8,946,196
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #7047379 ← → #7047419

Radix Representation

Decimal 7047404
Binary 11010111000100011101100 (23 bits)
Octal 0o32704354
Hexadecimal 0x6B88EC

Divisor Catalog (5 of 48)

1 2 4 7 13

Collatz Trajectory (72 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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