λ
Sigma Notebook

9,988,545

3 × 5 × 7 × 251 × 379
Deficient Odd Composite

9,988,545 is odd and not a perfect square. Its factorization is 3 × 5 × 7 × 251 × 379 and its 32 divisors sum to 18,385,920.

Prime Factor Structure

Factorization String 3 × 5 × 7 × 251 × 379
Distinct Prime Factors 5
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 32
Divisor Sum (σ) 18,385,920
Proper Divisor Sum 8,397,375
Digit Sum / Digital Root 48 (Root: 3)
Adjacent Primes #9988519 ← → #9988553

Radix Representation

Decimal 9988545
Binary 100110000110100111000001 (24 bits)
Octal 0o46064701
Hexadecimal 0x9869C1

Divisor Catalog (32)

Collatz Trajectory (189 steps to reach 1)

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

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