1,284,616

2³ × 103 × 1559

Starting at 1,284,616, the Collatz iteration reaches 1 after 49 steps. The first transition is 642308; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2^3 × 103 × 1559

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,433,600

Proper Divisor Sum 1,148,984

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #1284601 ← → #1284617

Radix Representation

Decimal	1284616
Binary	100111001101000001000 (21 bits)
Octal	0o4715010
Hexadecimal	0x139A08

Divisor Catalog (16)

1 2 4 8 103 206 412 824 1,559 3,118 6,236 12,472 160,577 321,154 642,308 1,284,616

Collatz Trajectory (49 steps to reach 1)

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

1,284,616 642,308 321,154 160,577 481,732 240,866 120,433 361,300 180,650 90,325 270,976 135,488 67,744 33,872 16,936 8,468 4,234 2,117 6,352 3,176 1,588 794 397 1,192 596 298 149 448 224 112 56 28 14 7 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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