λ
Sigma Notebook

2,185,655

5 × 31 × 59 × 239
Deficient Odd Composite

2,185,655 is odd and not a perfect square. Its factorization is 5 × 31 × 59 × 239 and its 16 divisors sum to 2,764,800.

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Prime Factor Structure

Factorization String 5 × 31 × 59 × 239
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 2,764,800
Proper Divisor Sum 579,145
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #2185649 ← → #2185657

Radix Representation

Decimal 2185655
Binary 1000010101100110110111 (22 bits)
Octal 0o10254667
Hexadecimal 0x2159B7

Divisor Catalog (5 of 16)

1 5 31 59 155

Collatz Trajectory (179 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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