2,734,428

2² × 3 × 227869

Starting at 2,734,428, the Collatz iteration reaches 1 after 81 steps. The first transition is 1367214; the starting value is even with 12 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 3 × 227869

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 6,380,360

Proper Divisor Sum 3,645,932

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #2734421 ← → #2734441

Radix Representation

Decimal	2734428
Binary	1010011011100101011100 (22 bits)
Octal	0o12334534
Hexadecimal	0x29B95C

Divisor Catalog (12)

1 2 3 4 6 12 227,869 455,738 683,607 911,476 1,367,214 2,734,428

Collatz Trajectory (81 steps to reach 1)

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

2,734,428 1,367,214 683,607 2,050,822 1,025,411 3,076,234 1,538,117 4,614,352 2,307,176 1,153,588 576,794 288,397 865,192 432,596 216,298 108,149 324,448 162,224 81,112 40,556 20,278 10,139 30,418 15,209 45,628 22,814 11,407 34,222 17,111 51,334 25,667 77,002 38,501 115,504 57,752 28,876 14,438 7,219 21,658 10,829 32,488 16,244 8,122 4,061 12,184 6,092 3,046 1,523 4,570 2,285 6,856 3,428 1,714 857 2,572 1,286 643 1,930 965 2,896

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