7,219,018

2 × 3609509

Starting at 7,219,018, the Collatz iteration reaches 1 after 116 steps. The first transition is 3609509; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 3609509

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 10,828,530

Proper Divisor Sum 3,609,512

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #7219013 ← → #7219019

Radix Representation

Decimal	7219018
Binary	11011100010011101001010 (23 bits)
Octal	0o33423512
Hexadecimal	0x6E274A

Divisor Catalog (4)

1 2 3,609,509 7,219,018

Collatz Trajectory (116 steps to reach 1)

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

7,219,018 3,609,509 10,828,528 5,414,264 2,707,132 1,353,566 676,783 2,030,350 1,015,175 3,045,526 1,522,763 4,568,290 2,284,145 6,852,436 3,426,218 1,713,109 5,139,328 2,569,664 1,284,832 642,416 321,208 160,604 80,302 40,151 120,454 60,227 180,682 90,341 271,024 135,512 67,756 33,878 16,939 50,818 25,409 76,228 38,114 19,057 57,172 28,586 14,293 42,880 21,440 10,720 5,360 2,680 1,340 670 335 1,006 503 1,510 755 2,266 1,133 3,400 1,700 850 425 1,276

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