4,366,613

643 × 6791

Starting at 4,366,613, the Collatz iteration reaches 1 after 87 steps. The first transition is 13099840; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 643 × 6791

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 4,374,048

Proper Divisor Sum 7,435

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #4366577 ← → #4366627

Radix Representation

Decimal	4366613
Binary	10000101010000100010101 (23 bits)
Octal	0o20520425
Hexadecimal	0x42A115

Divisor Catalog (4)

1 643 6,791 4,366,613

Collatz Trajectory (87 steps to reach 1)

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

4,366,613 13,099,840 6,549,920 3,274,960 1,637,480 818,740 409,370 204,685 614,056 307,028 153,514 76,757 230,272 115,136 57,568 28,784 14,392 7,196 3,598 1,799 5,398 2,699 8,098 4,049 12,148 6,074 3,037 9,112 4,556 2,278 1,139 3,418 1,709 5,128 2,564 1,282 641 1,924 962 481 1,444 722 361 1,084 542 271 814 407 1,222 611 1,834 917 2,752 1,376 688 344 172 86 43 130

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