λ
Ratio Atlas

678,201

3 × 23 × 9829
Deficient Odd Composite

678,201 factors as 3 × 23 × 9829. Its 8 positive divisors give a proper-divisor sum of 265,479, so this integer is deficient. The Collatz stopping time is 136 steps.

Prime Factor Structure

Factorization String 3 × 23 × 9829
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 943,680
Proper Divisor Sum 265,479
Digit Sum / Digital Root 24 (Root: 6)
Adjacent Primes #678199 ← → #678203

Radix Representation

Decimal 678201
Binary 10100101100100111001 (20 bits)
Octal 0o2454471
Hexadecimal 0xA5939

Divisor Catalog (8)

Collatz Trajectory (136 steps to reach 1)

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

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