λ
Sigma Notebook

7,781,838

2 × 3 × 1296973
Abundant Even Composite

7,781,838 is even and not a perfect square. Its factorization is 2 × 3 × 1296973 and its 8 divisors sum to 15,563,688.

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Prime Factor Structure

Factorization String 2 × 3 × 1296973
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 15,563,688
Proper Divisor Sum 7,781,850
Digit Sum / Digital Root 42 (Root: 6)
Adjacent Primes #7781821 ← → #7781857

Radix Representation

Decimal 7781838
Binary 11101101011110111001110 (23 bits)
Octal 0o35536716
Hexadecimal 0x76BDCE

Divisor Catalog (5 of 8)

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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