λ
Sigma Notebook

9,891,379

139 × 71161
Deficient Odd Composite

9,891,379 is odd and not a perfect square. Its factorization is 139 × 71161 and its 4 divisors sum to 9,962,680.

Prime Factor Structure

Factorization String 139 × 71161
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 9,962,680
Proper Divisor Sum 71,301
Digit Sum / Digital Root 46 (Root: 1)
Adjacent Primes #9891377 ← → #9891383

Radix Representation

Decimal 9891379
Binary 100101101110111000110011 (24 bits)
Octal 0o45567063
Hexadecimal 0x96EE33

Divisor Catalog (4)

1 139 71,161 9,891,379

Collatz Trajectory (238 steps to reach 1)

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

9,891,379 29,674,138 14,837,069 44,511,208 22,255,604 11,127,802 5,563,901 16,691,704 8,345,852 4,172,926 2,086,463 6,259,390 3,129,695 9,389,086 4,694,543 14,083,630 7,041,815 21,125,446 10,562,723 31,688,170 15,844,085 47,532,256 23,766,128 11,883,064 5,941,532 2,970,766 1,485,383 4,456,150 2,228,075 6,684,226 3,342,113 10,026,340 5,013,170 2,506,585 7,519,756 3,759,878 1,879,939 5,639,818 2,819,909 8,459,728 4,229,864 2,114,932 1,057,466 528,733 1,586,200 793,100 396,550 198,275 594,826 297,413 892,240 446,120 223,060 111,530 55,765 167,296 83,648 41,824 20,912 10,456

More profiles

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