λ
Sequence Observatory

7,425,516

22 × 3 × 7 × 109 × 811
Abundant Even Composite

Starting at 7,425,516, the Collatz iteration reaches 1 after 186 steps. The first transition is 3712758; the starting value is even with 48 positive divisors.

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Prime Factor Structure

Factorization String 2^2 × 3 × 7 × 109 × 811
Distinct Prime Factors 5
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 48
Divisor Sum (σ) 20,007,680
Proper Divisor Sum 12,582,164
Digit Sum / Digital Root 30 (Root: 3)
Adjacent Primes #7425503 ← → #7425529

Radix Representation

Decimal 7425516
Binary 11100010100110111101100 (23 bits)
Octal 0o34246754
Hexadecimal 0x714DEC

Divisor Catalog (5 of 48)

1 2 3 4 6

Collatz Trajectory (186 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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