3,958,618

2 × 163 × 12143

Starting at 3,958,618, the Collatz iteration reaches 1 after 97 steps. The first transition is 1979309; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 163 × 12143

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 5,974,848

Proper Divisor Sum 2,016,230

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #3958601 ← → #3958621

Radix Representation

Decimal	3958618
Binary	1111000110011101011010 (22 bits)
Octal	0o17063532
Hexadecimal	0x3C675A

Divisor Catalog (8)

1 2 163 326 12,143 24,286 1,979,309 3,958,618

Collatz Trajectory (97 steps to reach 1)

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

3,958,618 1,979,309 5,937,928 2,968,964 1,484,482 742,241 2,226,724 1,113,362 556,681 1,670,044 835,022 417,511 1,252,534 626,267 1,878,802 939,401 2,818,204 1,409,102 704,551 2,113,654 1,056,827 3,170,482 1,585,241 4,755,724 2,377,862 1,188,931 3,566,794 1,783,397 5,350,192 2,675,096 1,337,548 668,774 334,387 1,003,162 501,581 1,504,744 752,372 376,186 188,093 564,280 282,140 141,070 70,535 211,606 105,803 317,410 158,705 476,116 238,058 119,029 357,088 178,544 89,272 44,636 22,318 11,159 33,478 16,739 50,218 25,109

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