6,218,676

2² × 3² × 172741

Starting at 6,218,676, the Collatz iteration reaches 1 after 121 steps. The first transition is 3109338; the starting value is even with 18 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 3^2 × 172741

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 15,719,522

Proper Divisor Sum 9,500,846

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #6218669 ← → #6218683

Radix Representation

Decimal	6218676
Binary	10111101110001110110100 (23 bits)
Octal	0o27561664
Hexadecimal	0x5EE3B4

Divisor Catalog (18)

1 2 3 4 6 9 12 18 36 172,741 345,482 518,223 690,964 1,036,446 1,554,669 2,072,892 3,109,338 6,218,676

Collatz Trajectory (121 steps to reach 1)

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

6,218,676 3,109,338 1,554,669 4,664,008 2,332,004 1,166,002 583,001 1,749,004 874,502 437,251 1,311,754 655,877 1,967,632 983,816 491,908 245,954 122,977 368,932 184,466 92,233 276,700 138,350 69,175 207,526 103,763 311,290 155,645 466,936 233,468 116,734 58,367 175,102 87,551 262,654 131,327 393,982 196,991 590,974 295,487 886,462 443,231 1,329,694 664,847 1,994,542 997,271 2,991,814 1,495,907 4,487,722 2,243,861 6,731,584 3,365,792 1,682,896 841,448 420,724 210,362 105,181 315,544 157,772 78,886 39,443

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