15,768,994

2 × 131 × 139 × 433

15,768,994 factors as 2 × 131 × 139 × 433. Its 16 positive divisors give a proper-divisor sum of 8,291,966, so this integer is deficient. The Collatz stopping time is 174 steps.

Prime Factor Structure

Factorization String 2 × 131 × 139 × 433

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 24,060,960

Proper Divisor Sum 8,291,966

Digit Sum / Digital Root 49 (Root: 4)

Adjacent Primes #15768971 ← → #15769001

Radix Representation

Decimal	15768994
Binary	111100001001110110100010 (24 bits)
Octal	0o74116642
Hexadecimal	0xF09DA2

Divisor Catalog (16)

1 2 131 139 262 278 433 866 18,209 36,418 56,723 60,187 113,446 120,374 7,884,497 15,768,994

Collatz Trajectory (174 steps to reach 1)

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

15,768,994 7,884,497 23,653,492 11,826,746 5,913,373 17,740,120 8,870,060 4,435,030 2,217,515 6,652,546 3,326,273 9,978,820 4,989,410 2,494,705 7,484,116 3,742,058 1,871,029 5,613,088 2,806,544 1,403,272 701,636 350,818 175,409 526,228 263,114 131,557 394,672 197,336 98,668 49,334 24,667 74,002 37,001 111,004 55,502 27,751 83,254 41,627 124,882 62,441 187,324 93,662 46,831 140,494 70,247 210,742 105,371 316,114 158,057 474,172 237,086 118,543 355,630 177,815 533,446 266,723 800,170 400,085 1,200,256 600,128

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