2,061,021

3 × 687007

For 2,061,021, the 4 positive divisors have a total of 2,748,032. Removing 2,061,021 leaves 687,011, which gives the deficient classification.

Prime Factor Structure

Factorization String 3 × 687007

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,748,032

Proper Divisor Sum 687,011

Digit Sum / Digital Root 12 (Root: 3)

Adjacent Primes #2061013 ← → #2061041

Radix Representation

Decimal	2061021
Binary	111110111001011011101 (21 bits)
Octal	0o7671335
Hexadecimal	0x1F72DD

Divisor Catalog (4)

1 3 687,007 2,061,021

Collatz Trajectory (52 steps to reach 1)

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

2,061,021 6,183,064 3,091,532 1,545,766 772,883 2,318,650 1,159,325 3,477,976 1,738,988 869,494 434,747 1,304,242 652,121 1,956,364 978,182 489,091 1,467,274 733,637 2,200,912 1,100,456 550,228 275,114 137,557 412,672 206,336 103,168 51,584 25,792 12,896 6,448 3,224 1,612 806 403 1,210 605 1,816 908 454 227 682 341 1,024 512 256 128 64 32 16 8 4 2 1

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