1,858,491

3³ × 17 × 4049

1,858,491 factors as 3^3 × 17 × 4049. Its 16 positive divisors give a proper-divisor sum of 1,057,509, so this integer is deficient. The Collatz stopping time is 171 steps.

Prime Factor Structure

Factorization String 3^3 × 17 × 4049

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,916,000

Proper Divisor Sum 1,057,509

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #1858459 ← → #1858529

Radix Representation

Decimal	1858491
Binary	111000101101110111011 (21 bits)
Octal	0o7055673
Hexadecimal	0x1C5BBB

Divisor Catalog (16)

1 3 9 17 27 51 153 459 4,049 12,147 36,441 68,833 109,323 206,499 619,497 1,858,491

Collatz Trajectory (171 steps to reach 1)

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

1,858,491 5,575,474 2,787,737 8,363,212 4,181,606 2,090,803 6,272,410 3,136,205 9,408,616 4,704,308 2,352,154 1,176,077 3,528,232 1,764,116 882,058 441,029 1,323,088 661,544 330,772 165,386 82,693 248,080 124,040 62,020 31,010 15,505 46,516 23,258 11,629 34,888 17,444 8,722 4,361 13,084 6,542 3,271 9,814 4,907 14,722 7,361 22,084 11,042 5,521 16,564 8,282 4,141 12,424 6,212 3,106 1,553 4,660 2,330 1,165 3,496 1,748 874 437 1,312 656 328

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