15,665,548

2² × 3916387

15,665,548 factors as 2^2 × 3916387. Its 6 positive divisors give a proper-divisor sum of 11,749,168, so this integer is deficient. The Collatz stopping time is 94 steps.

Prime Factor Structure

Factorization String 2^2 × 3916387

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 27,414,716

Proper Divisor Sum 11,749,168

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #15665537 ← → #15665561

Radix Representation

Decimal	15665548
Binary	111011110000100110001100 (24 bits)
Octal	0o73604614
Hexadecimal	0xEF098C

Divisor Catalog (6)

1 2 4 3,916,387 7,832,774 15,665,548

Collatz Trajectory (94 steps to reach 1)

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

15,665,548 7,832,774 3,916,387 11,749,162 5,874,581 17,623,744 8,811,872 4,405,936 2,202,968 1,101,484 550,742 275,371 826,114 413,057 1,239,172 619,586 309,793 929,380 464,690 232,345 697,036 348,518 174,259 522,778 261,389 784,168 392,084 196,042 98,021 294,064 147,032 73,516 36,758 18,379 55,138 27,569 82,708 41,354 20,677 62,032 31,016 15,508 7,754 3,877 11,632 5,816 2,908 1,454 727 2,182 1,091 3,274 1,637 4,912 2,456 1,228 614 307 922 461

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