2,867,028

2² × 3 × 238919

Starting at 2,867,028, the Collatz iteration reaches 1 after 81 steps. The first transition is 1433514; the starting value is even with 12 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 3 × 238919

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 6,689,760

Proper Divisor Sum 3,822,732

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #2867023 ← → #2867071

Radix Representation

Decimal	2867028
Binary	1010111011111101010100 (22 bits)
Octal	0o12737524
Hexadecimal	0x2BBF54

Divisor Catalog (12)

1 2 3 4 6 12 238,919 477,838 716,757 955,676 1,433,514 2,867,028

Collatz Trajectory (81 steps to reach 1)

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

2,867,028 1,433,514 716,757 2,150,272 1,075,136 537,568 268,784 134,392 67,196 33,598 16,799 50,398 25,199 75,598 37,799 113,398 56,699 170,098 85,049 255,148 127,574 63,787 191,362 95,681 287,044 143,522 71,761 215,284 107,642 53,821 161,464 80,732 40,366 20,183 60,550 30,275 90,826 45,413 136,240 68,120 34,060 17,030 8,515 25,546 12,773 38,320 19,160 9,580 4,790 2,395 7,186 3,593 10,780 5,390 2,695 8,086 4,043 12,130 6,065 18,196

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