λ
Sigma Notebook

7,561,615

5 × 1512323
Deficient Odd Composite

7,561,615 is odd and not a perfect square. Its factorization is 5 × 1512323 and its 4 divisors sum to 9,073,944.

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Prime Factor Structure

Factorization String 5 × 1512323
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 9,073,944
Proper Divisor Sum 1,512,329
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #7561573 ← → #7561633

Radix Representation

Decimal 7561615
Binary 11100110110000110001111 (23 bits)
Octal 0o34660617
Hexadecimal 0x73618F

Divisor Catalog (4)

1 5 1,512,323 7,561,615

Collatz Trajectory (279 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.

7,561,615 22,684,846 11,342,423 34,027,270 17,013,635

More profiles

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