4,143,298

2 × 2071649

Starting at 4,143,298, the Collatz iteration reaches 1 after 123 steps. The first transition is 2071649; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 2071649

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 6,214,950

Proper Divisor Sum 2,071,652

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #4143287 ← → #4143299

Radix Representation

Decimal	4143298
Binary	1111110011100011000010 (22 bits)
Octal	0o17634302
Hexadecimal	0x3F38C2

Divisor Catalog (4)

1 2 2,071,649 4,143,298

Collatz Trajectory (123 steps to reach 1)

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

4,143,298 2,071,649 6,214,948 3,107,474 1,553,737 4,661,212 2,330,606 1,165,303 3,495,910 1,747,955 5,243,866 2,621,933 7,865,800 3,932,900 1,966,450 983,225 2,949,676 1,474,838 737,419 2,212,258 1,106,129 3,318,388 1,659,194 829,597 2,488,792 1,244,396 622,198 311,099 933,298 466,649 1,399,948 699,974 349,987 1,049,962 524,981 1,574,944 787,472 393,736 196,868 98,434 49,217 147,652 73,826 36,913 110,740 55,370 27,685 83,056 41,528 20,764 10,382 5,191 15,574 7,787 23,362 11,681 35,044 17,522 8,761 26,284

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