8,991,350

2 × 5² × 179827

8,991,350 factors as 2 × 5^2 × 179827. Its 12 positive divisors give a proper-divisor sum of 7,732,654, so this integer is deficient. The Collatz stopping time is 111 steps.

Prime Factor Structure

Factorization String 2 × 5^2 × 179827

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 16,724,004

Proper Divisor Sum 7,732,654

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #8991347 ← → #8991361

Radix Representation

Decimal	8991350
Binary	100010010011001001110110 (24 bits)
Octal	0o42231166
Hexadecimal	0x893276

Divisor Catalog (12)

1 2 5 10 25 50 179,827 359,654 899,135 1,798,270 4,495,675 8,991,350

Collatz Trajectory (111 steps to reach 1)

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

8,991,350 4,495,675 13,487,026 6,743,513 20,230,540 10,115,270 5,057,635 15,172,906 7,586,453 22,759,360 11,379,680 5,689,840 2,844,920 1,422,460 711,230 355,615 1,066,846 533,423 1,600,270 800,135 2,400,406 1,200,203 3,600,610 1,800,305 5,400,916 2,700,458 1,350,229 4,050,688 2,025,344 1,012,672 506,336 253,168 126,584 63,292 31,646 15,823 47,470 23,735 71,206 35,603 106,810 53,405 160,216 80,108 40,054 20,027 60,082 30,041 90,124 45,062 22,531 67,594 33,797 101,392 50,696 25,348 12,674 6,337 19,012 9,506

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