8,871,018

2 × 3 × 13 × 113731

Starting at 8,871,018, the Collatz iteration reaches 1 after 137 steps. The first transition is 4435509; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2 × 3 × 13 × 113731

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 19,106,976

Proper Divisor Sum 10,235,958

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #8870999 ← → #8871019

Radix Representation

Decimal	8871018
Binary	100001110101110001101010 (24 bits)
Octal	0o41656152
Hexadecimal	0x875C6A

Divisor Catalog (16)

1 2 3 6 13 26 39 78 113,731 227,462 341,193 682,386 1,478,503 2,957,006 4,435,509 8,871,018

Collatz Trajectory (137 steps to reach 1)

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

8,871,018 4,435,509 13,306,528 6,653,264 3,326,632 1,663,316 831,658 415,829 1,247,488 623,744 311,872 155,936 77,968 38,984 19,492 9,746 4,873 14,620 7,310 3,655 10,966 5,483 16,450 8,225 24,676 12,338 6,169 18,508 9,254 4,627 13,882 6,941 20,824 10,412 5,206 2,603 7,810 3,905 11,716 5,858 2,929 8,788 4,394 2,197 6,592 3,296 1,648 824 412 206 103 310 155 466 233 700 350 175 526 263

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