1,998,956

2² × 499739

1,998,956 factors as 2^2 × 499739. Its 6 positive divisors give a proper-divisor sum of 1,499,224, so this integer is deficient. The Collatz stopping time is 290 steps.

Prime Factor Structure

Factorization String 2^2 × 499739

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 3,498,180

Proper Divisor Sum 1,499,224

Digit Sum / Digital Root 47 (Root: 2)

Adjacent Primes #1998949 ← → #1998961

Radix Representation

Decimal	1998956
Binary	111101000000001101100 (21 bits)
Octal	0o7500154
Hexadecimal	0x1E806C

Divisor Catalog (6)

1 2 4 499,739 999,478 1,998,956

Collatz Trajectory (290 steps to reach 1)

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

1,998,956 999,478 499,739 1,499,218 749,609 2,248,828 1,124,414 562,207 1,686,622 843,311 2,529,934 1,264,967 3,794,902 1,897,451 5,692,354 2,846,177 8,538,532 4,269,266 2,134,633 6,403,900 3,201,950 1,600,975 4,802,926 2,401,463 7,204,390 3,602,195 10,806,586 5,403,293 16,209,880 8,104,940 4,052,470 2,026,235 6,078,706 3,039,353 9,118,060 4,559,030 2,279,515 6,838,546 3,419,273 10,257,820 5,128,910 2,564,455 7,693,366 3,846,683 11,540,050 5,770,025 17,310,076 8,655,038 4,327,519 12,982,558 6,491,279 19,473,838 9,736,919 29,210,758 14,605,379 43,816,138 21,908,069 65,724,208 32,862,104 16,431,052

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