λ
Ratio Atlas

680,389

43 × 15823
Deficient Odd Composite

Prime Factor Structure

Factorization String 43 × 15823
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 696,256
Proper Divisor Sum 15,867
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #680387 ← → #680399

Radix Representation

Decimal 680389
Binary 10100110000111000101 (20 bits)
Octal 0o2460705
Hexadecimal 0xA61C5

Divisor Catalog (4)

Collatz Trajectory (61 steps to reach 1)

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

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