1,644,404

2² × 411101

1,644,404 factors as 2^2 × 411101. Its 6 positive divisors give a proper-divisor sum of 1,233,310, so this integer is deficient. The Collatz stopping time is 88 steps.

Prime Factor Structure

Factorization String 2^2 × 411101

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 2,877,714

Proper Divisor Sum 1,233,310

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #1644373 ← → #1644413

Radix Representation

Decimal	1644404
Binary	110010001011101110100 (21 bits)
Octal	0o6213564
Hexadecimal	0x191774

Divisor Catalog (6)

1 2 4 411,101 822,202 1,644,404

Collatz Trajectory (88 steps to reach 1)

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

1,644,404 822,202 411,101 1,233,304 616,652 308,326 154,163 462,490 231,245 693,736 346,868 173,434 86,717 260,152 130,076 65,038 32,519 97,558 48,779 146,338 73,169 219,508 109,754 54,877 164,632 82,316 41,158 20,579 61,738 30,869 92,608 46,304 23,152 11,576 5,788 2,894 1,447 4,342 2,171 6,514 3,257 9,772 4,886 2,443 7,330 3,665 10,996 5,498 2,749 8,248 4,124 2,062 1,031 3,094 1,547 4,642 2,321 6,964 3,482 1,741

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