λ
Sigma Notebook

8,319,381

3 × 7 × 421 × 941
Deficient Odd Composite

8,319,381 is odd and not a perfect square. Its factorization is 3 × 7 × 421 × 941 and its 16 divisors sum to 12,720,768.

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Prime Factor Structure

Factorization String 3 × 7 × 421 × 941
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 12,720,768
Proper Divisor Sum 4,401,387
Digit Sum / Digital Root 33 (Root: 6)
Adjacent Primes #8319379 ← → #8319391

Radix Representation

Decimal 8319381
Binary 11111101111000110010101 (23 bits)
Octal 0o37570625
Hexadecimal 0x7EF195

Divisor Catalog (5 of 16)

1 3 7 21 421

Collatz Trajectory (155 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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