9,984,218

2 × 4992109

Starting at 9,984,218, the Collatz iteration reaches 1 after 163 steps. The first transition is 4992109; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 4992109

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 14,976,330

Proper Divisor Sum 4,992,112

Digit Sum / Digital Root 41 (Root: 5)

Adjacent Primes #9984209 ← → #9984223

Radix Representation

Decimal	9984218
Binary	100110000101100011011010 (24 bits)
Octal	0o46054332
Hexadecimal	0x9858DA

Divisor Catalog (4)

1 2 4,992,109 9,984,218

Collatz Trajectory (163 steps to reach 1)

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

9,984,218 4,992,109 14,976,328 7,488,164 3,744,082 1,872,041 5,616,124 2,808,062 1,404,031 4,212,094 2,106,047 6,318,142 3,159,071 9,477,214 4,738,607 14,215,822 7,107,911 21,323,734 10,661,867 31,985,602 15,992,801 47,978,404 23,989,202 11,994,601 35,983,804 17,991,902 8,995,951 26,987,854 13,493,927 40,481,782 20,240,891 60,722,674 30,361,337 91,084,012 45,542,006 22,771,003 68,313,010 34,156,505 102,469,516 51,234,758 25,617,379 76,852,138 38,426,069 115,278,208 57,639,104 28,819,552 14,409,776 7,204,888 3,602,444 1,801,222 900,611 2,701,834 1,350,917 4,052,752 2,026,376 1,013,188 506,594 253,297 759,892 379,946

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