1,618,822

2 × 409 × 1979

1,618,822 factors as 2 × 409 × 1979. Its 8 positive divisors give a proper-divisor sum of 816,578, so this integer is deficient. The Collatz stopping time is 194 steps.

Prime Factor Structure

Factorization String 2 × 409 × 1979

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 2,435,400

Proper Divisor Sum 816,578

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #1618817 ← → #1618823

Radix Representation

Decimal	1618822
Binary	110001011001110000110 (21 bits)
Octal	0o6131606
Hexadecimal	0x18B386

Divisor Catalog (8)

1 2 409 818 1,979 3,958 809,411 1,618,822

Collatz Trajectory (194 steps to reach 1)

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

1,618,822 809,411 2,428,234 1,214,117 3,642,352 1,821,176 910,588 455,294 227,647 682,942 341,471 1,024,414 512,207 1,536,622 768,311 2,304,934 1,152,467 3,457,402 1,728,701 5,186,104 2,593,052 1,296,526 648,263 1,944,790 972,395 2,917,186 1,458,593 4,375,780 2,187,890 1,093,945 3,281,836 1,640,918 820,459 2,461,378 1,230,689 3,692,068 1,846,034 923,017 2,769,052 1,384,526 692,263 2,076,790 1,038,395 3,115,186 1,557,593 4,672,780 2,336,390 1,168,195 3,504,586 1,752,293 5,256,880 2,628,440 1,314,220 657,110 328,555 985,666 492,833 1,478,500 739,250 369,625

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