λ
Sigma Notebook

7,581,189

3 × 7 × 11 × 37 × 887
Deficient Odd Composite

7,581,189 is odd and not a perfect square. Its factorization is 3 × 7 × 11 × 37 × 887 and its 32 divisors sum to 12,957,696.

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Prime Factor Structure

Factorization String 3 × 7 × 11 × 37 × 887
Distinct Prime Factors 5
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 32
Divisor Sum (σ) 12,957,696
Proper Divisor Sum 5,376,507
Digit Sum / Digital Root 39 (Root: 3)
Adjacent Primes #7581179 ← → #7581253

Radix Representation

Decimal 7581189
Binary 11100111010111000000101 (23 bits)
Octal 0o34727005
Hexadecimal 0x73AE05

Divisor Catalog (5 of 32)

1 3 7 11 21

Collatz Trajectory (217 steps to reach 1)

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

Showing the first 5 trajectory entries; the stopping-time total above is unchanged.

7,581,189 22,743,568 11,371,784 5,685,892 2,842,946

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