1,818,441

3² × 202049

1,818,441 factors as 3^2 × 202049. Its 6 positive divisors give a proper-divisor sum of 808,209, so this integer is deficient. The Collatz stopping time is 202 steps.

Prime Factor Structure

Factorization String 3^2 × 202049

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 2,626,650

Proper Divisor Sum 808,209

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #1818437 ← → #1818451

Radix Representation

Decimal	1818441
Binary	110111011111101001001 (21 bits)
Octal	0o6737511
Hexadecimal	0x1BBF49

Divisor Catalog (6)

1 3 9 202,049 606,147 1,818,441

Collatz Trajectory (202 steps to reach 1)

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

1,818,441 5,455,324 2,727,662 1,363,831 4,091,494 2,045,747 6,137,242 3,068,621 9,205,864 4,602,932 2,301,466 1,150,733 3,452,200 1,726,100 863,050 431,525 1,294,576 647,288 323,644 161,822 80,911 242,734 121,367 364,102 182,051 546,154 273,077 819,232 409,616 204,808 102,404 51,202 25,601 76,804 38,402 19,201 57,604 28,802 14,401 43,204 21,602 10,801 32,404 16,202 8,101 24,304 12,152 6,076 3,038 1,519 4,558 2,279 6,838 3,419 10,258 5,129 15,388 7,694 3,847 11,542

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