3,879,862

2 × 7 × 431 × 643

Starting at 3,879,862, the Collatz iteration reaches 1 after 216 steps. The first transition is 1939931; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2 × 7 × 431 × 643

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 6,676,992

Proper Divisor Sum 2,797,130

Digit Sum / Digital Root 43 (Root: 7)

Adjacent Primes #3879853 ← → #3879913

Radix Representation

Decimal	3879862
Binary	1110110011001110110110 (22 bits)
Octal	0o16631666
Hexadecimal	0x3B33B6

Divisor Catalog (16)

1 2 7 14 431 643 862 1,286 3,017 4,501 6,034 9,002 277,133 554,266 1,939,931 3,879,862

Collatz Trajectory (216 steps to reach 1)

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

3,879,862 1,939,931 5,819,794 2,909,897 8,729,692 4,364,846 2,182,423 6,547,270 3,273,635 9,820,906 4,910,453 14,731,360 7,365,680 3,682,840 1,841,420 920,710 460,355 1,381,066 690,533 2,071,600 1,035,800 517,900 258,950 129,475 388,426 194,213 582,640 291,320 145,660 72,830 36,415 109,246 54,623 163,870 81,935 245,806 122,903 368,710 184,355 553,066 276,533 829,600 414,800 207,400 103,700 51,850 25,925 77,776 38,888 19,444 9,722 4,861 14,584 7,292 3,646 1,823 5,470 2,735 8,206 4,103

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