λ
Ratio Atlas

397,781

61 × 6521
Deficient Odd Composite

Prime Factor Structure

Factorization String 61 × 6521
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 404,364
Proper Divisor Sum 6,583
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #397763 ← → #397799

Radix Representation

Decimal 397781
Binary 1100001000111010101 (19 bits)
Octal 0o1410725
Hexadecimal 0x611D5

Divisor Catalog (4)

Collatz Trajectory (68 steps to reach 1)

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

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