1,324,638

2 × 3² × 7 × 10513

1,324,638 has digital root 9. The neighboring primes are 1324627 and 1324649; its proper-divisor sum differs from the starting integer by 631,092.

Prime Factor Structure

Factorization String 2 × 3^2 × 7 × 10513

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 3,280,368

Proper Divisor Sum 1,955,730

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #1324627 ← → #1324649

Radix Representation

Decimal	1324638
Binary	101000011011001011110 (21 bits)
Octal	0o5033136
Hexadecimal	0x14365E

Divisor Catalog (24)

1 2 3 6 7 9 14 18 21 42 63 126 10,513 21,026 31,539 63,078 73,591 94,617 147,182 189,234 220,773 441,546 662,319 1,324,638

Collatz Trajectory (142 steps to reach 1)

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

1,324,638 662,319 1,986,958 993,479 2,980,438 1,490,219 4,470,658 2,235,329 6,705,988 3,352,994 1,676,497 5,029,492 2,514,746 1,257,373 3,772,120 1,886,060 943,030 471,515 1,414,546 707,273 2,121,820 1,060,910 530,455 1,591,366 795,683 2,387,050 1,193,525 3,580,576 1,790,288 895,144 447,572 223,786 111,893 335,680 167,840 83,920 41,960 20,980 10,490 5,245 15,736 7,868 3,934 1,967 5,902 2,951 8,854 4,427 13,282 6,641 19,924 9,962 4,981 14,944 7,472 3,736 1,868 934 467 1,402

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