λ
Sigma Notebook

1,651,577

191 × 8647
Deficient Odd Composite

1,651,577 is odd and not a perfect square. Its factorization is 191 × 8647 and its 4 divisors sum to 1,660,416.

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Prime Factor Structure

Factorization String 191 × 8647
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 1,660,416
Proper Divisor Sum 8,839
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #1651571 ← → #1651589

Radix Representation

Decimal 1651577
Binary 110010011001101111001 (21 bits)
Octal 0o6231571
Hexadecimal 0x193379

Divisor Catalog (4)

Collatz Trajectory (145 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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