λ
Sigma Notebook

1,863,665

5 × 372733
Deficient Odd Composite

1,863,665 is odd and not a perfect square. Its factorization is 5 × 372733 and its 4 divisors sum to 2,236,404.

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Prime Factor Structure

Factorization String 5 × 372733
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 2,236,404
Proper Divisor Sum 372,739
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #1863649 ← → #1863671

Radix Representation

Decimal 1863665
Binary 111000110111111110001 (21 bits)
Octal 0o7067761
Hexadecimal 0x1C6FF1

Divisor Catalog (4)

Collatz Trajectory (233 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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