λ
Sigma Notebook

1,590,839

191 × 8329
Deficient Odd Composite

1,590,839 is odd and not a perfect square. Its factorization is 191 × 8329 and its 4 divisors sum to 1,599,360.

Prime Factor Structure

Factorization String 191 × 8329
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 1,599,360
Proper Divisor Sum 8,521
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #1590829 ← → #1590857

Radix Representation

Decimal 1590839
Binary 110000100011000110111 (21 bits)
Octal 0o6043067
Hexadecimal 0x184637

Divisor Catalog (4)

1 191 8,329 1,590,839

Collatz Trajectory (101 steps to reach 1)

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

1,590,839 4,772,518 2,386,259 7,158,778 3,579,389 10,738,168 5,369,084 2,684,542 1,342,271 4,026,814 2,013,407 6,040,222 3,020,111 9,060,334 4,530,167 13,590,502 6,795,251 20,385,754 10,192,877 30,578,632 15,289,316 7,644,658 3,822,329 11,466,988 5,733,494 2,866,747 8,600,242 4,300,121 12,900,364 6,450,182 3,225,091 9,675,274 4,837,637 14,512,912 7,256,456 3,628,228 1,814,114 907,057 2,721,172 1,360,586 680,293 2,040,880 1,020,440 510,220 255,110 127,555 382,666 191,333 574,000 287,000 143,500 71,750 35,875 107,626 53,813 161,440 80,720 40,360 20,180 10,090

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