6,218,408

2³ × 7 × 111043

Starting at 6,218,408, the Collatz iteration reaches 1 after 72 steps. The first transition is 3109204; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2^3 × 7 × 111043

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 13,325,280

Proper Divisor Sum 7,106,872

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #6218369 ← → #6218417

Radix Representation

Decimal	6218408
Binary	10111101110001010101000 (23 bits)
Octal	0o27561250
Hexadecimal	0x5EE2A8

Divisor Catalog (16)

1 2 4 7 8 14 28 56 111,043 222,086 444,172 777,301 888,344 1,554,602 3,109,204 6,218,408

Collatz Trajectory (72 steps to reach 1)

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

6,218,408 3,109,204 1,554,602 777,301 2,331,904 1,165,952 582,976 291,488 145,744 72,872 36,436 18,218 9,109 27,328 13,664 6,832 3,416 1,708 854 427 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 65 196 98 49 148 74 37 112 56 28 14 7 22 11 34

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