4,203,418

2 × 101 × 20809

Starting at 4,203,418, the Collatz iteration reaches 1 after 105 steps. The first transition is 2101709; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 101 × 20809

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 6,367,860

Proper Divisor Sum 2,164,442

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #4203391 ← → #4203421

Radix Representation

Decimal	4203418
Binary	10000000010001110011010 (23 bits)
Octal	0o20021632
Hexadecimal	0x40239A

Divisor Catalog (8)

1 2 101 202 20,809 41,618 2,101,709 4,203,418

Collatz Trajectory (105 steps to reach 1)

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

4,203,418 2,101,709 6,305,128 3,152,564 1,576,282 788,141 2,364,424 1,182,212 591,106 295,553 886,660 443,330 221,665 664,996 332,498 166,249 498,748 249,374 124,687 374,062 187,031 561,094 280,547 841,642 420,821 1,262,464 631,232 315,616 157,808 78,904 39,452 19,726 9,863 29,590 14,795 44,386 22,193 66,580 33,290 16,645 49,936 24,968 12,484 6,242 3,121 9,364 4,682 2,341 7,024 3,512 1,756 878 439 1,318 659 1,978 989 2,968 1,484 742

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