3,987,409

3987409

3,987,409 factors as 3987409. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 229 steps.

Prime Factor Structure

Factorization String 3987409

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 3,987,410

Proper Divisor Sum 1

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #3987407 ← → #3987421

Radix Representation

Decimal	3987409
Binary	1111001101011111010001 (22 bits)
Octal	0o17153721
Hexadecimal	0x3CD7D1

Divisor Catalog (2)

1 3,987,409

Collatz Trajectory (229 steps to reach 1)

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

3,987,409 11,962,228 5,981,114 2,990,557 8,971,672 4,485,836 2,242,918 1,121,459 3,364,378 1,682,189 5,046,568 2,523,284 1,261,642 630,821 1,892,464 946,232 473,116 236,558 118,279 354,838 177,419 532,258 266,129 798,388 399,194 199,597 598,792 299,396 149,698 74,849 224,548 112,274 56,137 168,412 84,206 42,103 126,310 63,155 189,466 94,733 284,200 142,100 71,050 35,525 106,576 53,288 26,644 13,322 6,661 19,984 9,992 4,996 2,498 1,249 3,748 1,874 937 2,812 1,406 703

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