2,008,581

3 × 669527

2,008,581 factors as 3 × 669527. Its 4 positive divisors give a proper-divisor sum of 669,531, so this integer is deficient. The Collatz stopping time is 135 steps.

Prime Factor Structure

Factorization String 3 × 669527

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,678,112

Proper Divisor Sum 669,531

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #2008571 ← → #2008621

Radix Representation

Decimal	2008581
Binary	111101010011000000101 (21 bits)
Octal	0o7523005
Hexadecimal	0x1EA605

Divisor Catalog (4)

1 3 669,527 2,008,581

Collatz Trajectory (135 steps to reach 1)

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

2,008,581 6,025,744 3,012,872 1,506,436 753,218 376,609 1,129,828 564,914 282,457 847,372 423,686 211,843 635,530 317,765 953,296 476,648 238,324 119,162 59,581 178,744 89,372 44,686 22,343 67,030 33,515 100,546 50,273 150,820 75,410 37,705 113,116 56,558 28,279 84,838 42,419 127,258 63,629 190,888 95,444 47,722 23,861 71,584 35,792 17,896 8,948 4,474 2,237 6,712 3,356 1,678 839 2,518 1,259 3,778 1,889 5,668 2,834 1,417 4,252 2,126

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