λ
Ratio Atlas

781,561

11 × 227 × 313
Deficient Odd Composite

Prime Factor Structure

Factorization String 11 × 227 × 313
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 859,104
Proper Divisor Sum 77,543
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #781559 ← → #781567

Radix Representation

Decimal 781561
Binary 10111110110011111001 (20 bits)
Octal 0o2766371
Hexadecimal 0xBECF9

Divisor Catalog (8)

Collatz Trajectory (74 steps to reach 1)

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

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