3,936,147

3 × 61 × 137 × 157

3,936,147 factors as 3 × 61 × 137 × 157. Its 16 positive divisors give a proper-divisor sum of 1,471,245, so this integer is deficient. The Collatz stopping time is 123 steps.

Prime Factor Structure

Factorization String 3 × 61 × 137 × 157

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 5,407,392

Proper Divisor Sum 1,471,245

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #3936139 ← → #3936161

Radix Representation

Decimal	3936147
Binary	1111000000111110010011 (22 bits)
Octal	0o17007623
Hexadecimal	0x3C0F93

Divisor Catalog (16)

1 3 61 137 157 183 411 471 8,357 9,577 21,509 25,071 28,731 64,527 1,312,049 3,936,147

Collatz Trajectory (123 steps to reach 1)

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

3,936,147 11,808,442 5,904,221 17,712,664 8,856,332 4,428,166 2,214,083 6,642,250 3,321,125 9,963,376 4,981,688 2,490,844 1,245,422 622,711 1,868,134 934,067 2,802,202 1,401,101 4,203,304 2,101,652 1,050,826 525,413 1,576,240 788,120 394,060 197,030 98,515 295,546 147,773 443,320 221,660 110,830 55,415 166,246 83,123 249,370 124,685 374,056 187,028 93,514 46,757 140,272 70,136 35,068 17,534 8,767 26,302 13,151 39,454 19,727 59,182 29,591 88,774 44,387 133,162 66,581 199,744 99,872 49,936 24,968

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