8,659,450

2 × 5² × 173189

Starting at 8,659,450, the Collatz iteration reaches 1 after 256 steps. The first transition is 4329725; the starting value is even with 12 positive divisors.

Prime Factor Structure

Factorization String 2 × 5^2 × 173189

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 16,106,670

Proper Divisor Sum 7,447,220

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #8659423 ← → #8659457

Radix Representation

Decimal	8659450
Binary	100001000010000111111010 (24 bits)
Octal	0o41020772
Hexadecimal	0x8421FA

Divisor Catalog (12)

1 2 5 10 25 50 173,189 346,378 865,945 1,731,890 4,329,725 8,659,450

Collatz Trajectory (256 steps to reach 1)

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

8,659,450 4,329,725 12,989,176 6,494,588 3,247,294 1,623,647 4,870,942 2,435,471 7,306,414 3,653,207 10,959,622 5,479,811 16,439,434 8,219,717 24,659,152 12,329,576 6,164,788 3,082,394 1,541,197 4,623,592 2,311,796 1,155,898 577,949 1,733,848 866,924 433,462 216,731 650,194 325,097 975,292 487,646 243,823 731,470 365,735 1,097,206 548,603 1,645,810 822,905 2,468,716 1,234,358 617,179 1,851,538 925,769 2,777,308 1,388,654 694,327 2,082,982 1,041,491 3,124,474 1,562,237 4,686,712 2,343,356 1,171,678 585,839 1,757,518 878,759 2,636,278 1,318,139 3,954,418 1,977,209

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