1,818,506

2 × 909253

1,818,506 factors as 2 × 909253. Its 4 positive divisors give a proper-divisor sum of 909,256, so this integer is deficient. The Collatz stopping time is 158 steps.

Prime Factor Structure

Factorization String 2 × 909253

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,727,762

Proper Divisor Sum 909,256

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #1818499 ← → #1818521

Radix Representation

Decimal	1818506
Binary	110111011111110001010 (21 bits)
Octal	0o6737612
Hexadecimal	0x1BBF8A

Divisor Catalog (4)

1 2 909,253 1,818,506

Collatz Trajectory (158 steps to reach 1)

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

1,818,506 909,253 2,727,760 1,363,880 681,940 340,970 170,485 511,456 255,728 127,864 63,932 31,966 15,983 47,950 23,975 71,926 35,963 107,890 53,945 161,836 80,918 40,459 121,378 60,689 182,068 91,034 45,517 136,552 68,276 34,138 17,069 51,208 25,604 12,802 6,401 19,204 9,602 4,801 14,404 7,202 3,601 10,804 5,402 2,701 8,104 4,052 2,026 1,013 3,040 1,520 760 380 190 95 286 143 430 215 646 323

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