2,490,891

3 × 13² × 17³

2,490,891 factors as 3 × 13^2 × 17^3. Its 24 positive divisors give a proper-divisor sum of 1,330,149, so this integer is deficient. The Collatz stopping time is 161 steps.

Prime Factor Structure

Factorization String 3 × 13^2 × 17^3

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 3,821,040

Proper Divisor Sum 1,330,149

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #2490889 ← → #2490899

Radix Representation

Decimal	2490891
Binary	1001100000001000001011 (22 bits)
Octal	0o11401013
Hexadecimal	0x26020B

Divisor Catalog (24)

Collatz Trajectory (161 steps to reach 1)

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

2,490,891 7,472,674 3,736,337 11,209,012 5,604,506 2,802,253 8,406,760 4,203,380 2,101,690 1,050,845 3,152,536 1,576,268 788,134 394,067 1,182,202 591,101 1,773,304 886,652 443,326 221,663 664,990 332,495 997,486 498,743 1,496,230 748,115 2,244,346 1,122,173 3,366,520 1,683,260 841,630 420,815 1,262,446 631,223 1,893,670 946,835 2,840,506 1,420,253 4,260,760 2,130,380 1,065,190 532,595 1,597,786 798,893 2,396,680 1,198,340 599,170 299,585 898,756 449,378 224,689 674,068 337,034 168,517 505,552 252,776 126,388 63,194 31,597 94,792

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