8,331,418

2 × 4165709

Starting at 8,331,418, the Collatz iteration reaches 1 after 75 steps. The first transition is 4165709; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 4165709

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 12,497,130

Proper Divisor Sum 4,165,712

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #8331413 ← → #8331431

Radix Representation

Decimal	8331418
Binary	11111110010000010011010 (23 bits)
Octal	0o37620232
Hexadecimal	0x7F209A

Divisor Catalog (4)

1 2 4,165,709 8,331,418

Collatz Trajectory (75 steps to reach 1)

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

8,331,418 4,165,709 12,497,128 6,248,564 3,124,282 1,562,141 4,686,424 2,343,212 1,171,606 585,803 1,757,410 878,705 2,636,116 1,318,058 659,029 1,977,088 988,544 494,272 247,136 123,568 61,784 30,892 15,446 7,723 23,170 11,585 34,756 17,378 8,689 26,068 13,034 6,517 19,552 9,776 4,888 2,444 1,222 611 1,834 917 2,752 1,376 688 344 172 86 43 130 65 196 98 49 148 74 37 112 56 28 14 7

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