λ
Ratio Atlas

840,261

3 × 173 × 1619
Deficient Odd Composite

840,261 factors as 3 × 173 × 1619. Its 8 positive divisors give a proper-divisor sum of 287,259, so this integer is deficient. The Collatz stopping time is 82 steps.

Prime Factor Structure

Factorization String 3 × 173 × 1619
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 1,127,520
Proper Divisor Sum 287,259
Digit Sum / Digital Root 21 (Root: 3)
Adjacent Primes #840253 ← → #840269

Radix Representation

Decimal 840261
Binary 11001101001001000101 (20 bits)
Octal 0o3151105
Hexadecimal 0xCD245

Divisor Catalog (8)

Collatz Trajectory (82 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

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