2,913,391

13² × 17239

2,913,391 factors as 13^2 × 17239. Its 6 positive divisors give a proper-divisor sum of 241,529, so this integer is deficient. The Collatz stopping time is 200 steps.

Prime Factor Structure

Factorization String 13^2 × 17239

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 3,154,920

Proper Divisor Sum 241,529

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #2913377 ← → #2913401

Radix Representation

Decimal	2913391
Binary	1011000111010001101111 (22 bits)
Octal	0o13072157
Hexadecimal	0x2C746F

Divisor Catalog (6)

1 13 169 17,239 224,107 2,913,391

Collatz Trajectory (200 steps to reach 1)

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

2,913,391 8,740,174 4,370,087 13,110,262 6,555,131 19,665,394 9,832,697 29,498,092 14,749,046 7,374,523 22,123,570 11,061,785 33,185,356 16,592,678 8,296,339 24,889,018 12,444,509 37,333,528 18,666,764 9,333,382 4,666,691 14,000,074 7,000,037 21,000,112 10,500,056 5,250,028 2,625,014 1,312,507 3,937,522 1,968,761 5,906,284 2,953,142 1,476,571 4,429,714 2,214,857 6,644,572 3,322,286 1,661,143 4,983,430 2,491,715 7,475,146 3,737,573 11,212,720 5,606,360 2,803,180 1,401,590 700,795 2,102,386 1,051,193 3,153,580 1,576,790 788,395 2,365,186 1,182,593 3,547,780 1,773,890 886,945 2,660,836 1,330,418 665,209

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