2,858,409

3⁷ × 1307

2,858,409 factors as 3^7 × 1307. Its 16 positive divisors give a proper-divisor sum of 1,431,831, so this integer is deficient. The Collatz stopping time is 244 steps.

Prime Factor Structure

Factorization String 3^7 × 1307

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 4,290,240

Proper Divisor Sum 1,431,831

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #2858393 ← → #2858423

Radix Representation

Decimal	2858409
Binary	1010111001110110101001 (22 bits)
Octal	0o12716651
Hexadecimal	0x2B9DA9

Divisor Catalog (16)

1 3 9 27 81 243 729 1,307 2,187 3,921 11,763 35,289 105,867 317,601 952,803 2,858,409

Collatz Trajectory (244 steps to reach 1)

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

2,858,409 8,575,228 4,287,614 2,143,807 6,431,422 3,215,711 9,647,134 4,823,567 14,470,702 7,235,351 21,706,054 10,853,027 32,559,082 16,279,541 48,838,624 24,419,312 12,209,656 6,104,828 3,052,414 1,526,207 4,578,622 2,289,311 6,867,934 3,433,967 10,301,902 5,150,951 15,452,854 7,726,427 23,179,282 11,589,641 34,768,924 17,384,462 8,692,231 26,076,694 13,038,347 39,115,042 19,557,521 58,672,564 29,336,282 14,668,141 44,004,424 22,002,212 11,001,106 5,500,553 16,501,660 8,250,830 4,125,415 12,376,246 6,188,123 18,564,370 9,282,185 27,846,556 13,923,278 6,961,639 20,884,918 10,442,459 31,327,378 15,663,689 46,991,068 23,495,534

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