8,991,001

8991001

8,991,001 factors as 8991001. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 163 steps.

Prime Factor Structure

Factorization String 8991001

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 8,991,002

Proper Divisor Sum 1

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #8990981 ← → #8991007

Radix Representation

Decimal	8991001
Binary	100010010011000100011001 (24 bits)
Octal	0o42230431
Hexadecimal	0x893119

Divisor Catalog (2)

1 8,991,001

Collatz Trajectory (163 steps to reach 1)

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

8,991,001 26,973,004 13,486,502 6,743,251 20,229,754 10,114,877 30,344,632 15,172,316 7,586,158 3,793,079 11,379,238 5,689,619 17,068,858 8,534,429 25,603,288 12,801,644 6,400,822 3,200,411 9,601,234 4,800,617 14,401,852 7,200,926 3,600,463 10,801,390 5,400,695 16,202,086 8,101,043 24,303,130 12,151,565 36,454,696 18,227,348 9,113,674 4,556,837 13,670,512 6,835,256 3,417,628 1,708,814 854,407 2,563,222 1,281,611 3,844,834 1,922,417 5,767,252 2,883,626 1,441,813 4,325,440 2,162,720 1,081,360 540,680 270,340 135,170 67,585 202,756 101,378 50,689 152,068 76,034 38,017 114,052 57,026

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