3,991,447

17 × 234791

3,991,447 factors as 17 × 234791. Its 4 positive divisors give a proper-divisor sum of 234,809, so this integer is deficient. The Collatz stopping time is 167 steps.

Prime Factor Structure

Factorization String 17 × 234791

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 4,226,256

Proper Divisor Sum 234,809

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #3991441 ← → #3991451

Radix Representation

Decimal	3991447
Binary	1111001110011110010111 (22 bits)
Octal	0o17163627
Hexadecimal	0x3CE797

Divisor Catalog (4)

1 17 234,791 3,991,447

Collatz Trajectory (167 steps to reach 1)

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

3,991,447 11,974,342 5,987,171 17,961,514 8,980,757 26,942,272 13,471,136 6,735,568 3,367,784 1,683,892 841,946 420,973 1,262,920 631,460 315,730 157,865 473,596 236,798 118,399 355,198 177,599 532,798 266,399 799,198 399,599 1,198,798 599,399 1,798,198 899,099 2,697,298 1,348,649 4,045,948 2,022,974 1,011,487 3,034,462 1,517,231 4,551,694 2,275,847 6,827,542 3,413,771 10,241,314 5,120,657 15,361,972 7,680,986 3,840,493 11,521,480 5,760,740 2,880,370 1,440,185 4,320,556 2,160,278 1,080,139 3,240,418 1,620,209 4,860,628 2,430,314 1,215,157 3,645,472 1,822,736 911,368

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