λ
Sigma Notebook

9,721,847

23 × 422689
Deficient Odd Composite

9,721,847 is odd and not a perfect square. Its factorization is 23 × 422689 and its 4 divisors sum to 10,144,560.

Prime Factor Structure

Factorization String 23 × 422689
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 10,144,560
Proper Divisor Sum 422,713
Digit Sum / Digital Root 38 (Root: 2)
Adjacent Primes #9721837 ← → #9721849

Radix Representation

Decimal 9721847
Binary 100101000101011111110111 (24 bits)
Octal 0o45053767
Hexadecimal 0x9457F7

Divisor Catalog (4)

Collatz Trajectory (132 steps to reach 1)

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

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