4,331,326

2 × 2165663

Starting at 4,331,326, the Collatz iteration reaches 1 after 167 steps. The first transition is 2165663; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 2165663

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 6,496,992

Proper Divisor Sum 2,165,666

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #4331323 ← → #4331339

Radix Representation

Decimal	4331326
Binary	10000100001011100111110 (23 bits)
Octal	0o20413476
Hexadecimal	0x42173E

Divisor Catalog (4)

1 2 2,165,663 4,331,326

Collatz Trajectory (167 steps to reach 1)

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

4,331,326 2,165,663 6,496,990 3,248,495 9,745,486 4,872,743 14,618,230 7,309,115 21,927,346 10,963,673 32,891,020 16,445,510 8,222,755 24,668,266 12,334,133 37,002,400 18,501,200 9,250,600 4,625,300 2,312,650 1,156,325 3,468,976 1,734,488 867,244 433,622 216,811 650,434 325,217 975,652 487,826 243,913 731,740 365,870 182,935 548,806 274,403 823,210 411,605 1,234,816 617,408 308,704 154,352 77,176 38,588 19,294 9,647 28,942 14,471 43,414 21,707 65,122 32,561 97,684 48,842 24,421 73,264 36,632 18,316 9,158 4,579

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