λ
Sigma Notebook

979,786

2 × 31 × 15803
Deficient Even Composite

979,786 is even and not a perfect square. Its factorization is 2 × 31 × 15803 and its 8 divisors sum to 1,517,184.

Prime Factor Structure

Factorization String 2 × 31 × 15803
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 1,517,184
Proper Divisor Sum 537,398
Digit Sum / Digital Root 46 (Root: 1)
Adjacent Primes #979757 ← → #979787

Radix Representation

Decimal 979786
Binary 11101111001101001010 (20 bits)
Octal 0o3571512
Hexadecimal 0xEF34A

Divisor Catalog (8)

1 2 31 62 15,803 31,606 489,893 979,786

Collatz Trajectory (183 steps to reach 1)

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

979,786 489,893 1,469,680 734,840 367,420 183,710 91,855 275,566 137,783 413,350 206,675 620,026 310,013 930,040 465,020 232,510 116,255 348,766 174,383 523,150 261,575 784,726 392,363 1,177,090 588,545 1,765,636 882,818 441,409 1,324,228 662,114 331,057 993,172 496,586 248,293 744,880 372,440 186,220 93,110 46,555 139,666 69,833 209,500 104,750 52,375 157,126 78,563 235,690 117,845 353,536 176,768 88,384 44,192 22,096 11,048 5,524 2,762 1,381 4,144 2,072 1,036

More profiles

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