2,021,007

3 × 673669

2,021,007 factors as 3 × 673669. Its 4 positive divisors give a proper-divisor sum of 673,673, so this integer is deficient. The Collatz stopping time is 135 steps.

Prime Factor Structure

Factorization String 3 × 673669

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,694,680

Proper Divisor Sum 673,673

Digit Sum / Digital Root 12 (Root: 3)

Adjacent Primes #2021003 ← → #2021009

Radix Representation

Decimal	2021007
Binary	111101101011010001111 (21 bits)
Octal	0o7553217
Hexadecimal	0x1ED68F

Divisor Catalog (4)

1 3 673,669 2,021,007

Collatz Trajectory (135 steps to reach 1)

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

2,021,007 6,063,022 3,031,511 9,094,534 4,547,267 13,641,802 6,820,901 20,462,704 10,231,352 5,115,676 2,557,838 1,278,919 3,836,758 1,918,379 5,755,138 2,877,569 8,632,708 4,316,354 2,158,177 6,474,532 3,237,266 1,618,633 4,855,900 2,427,950 1,213,975 3,641,926 1,820,963 5,462,890 2,731,445 8,194,336 4,097,168 2,048,584 1,024,292 512,146 256,073 768,220 384,110 192,055 576,166 288,083 864,250 432,125 1,296,376 648,188 324,094 162,047 486,142 243,071 729,214 364,607 1,093,822 546,911 1,640,734 820,367 2,461,102 1,230,551 3,691,654 1,845,827 5,537,482 2,768,741

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