λ
Sigma Notebook

8,406,349

7 × 61 × 19687
Deficient Odd Composite

8,406,349 is odd and not a perfect square. Its factorization is 7 × 61 × 19687 and its 8 divisors sum to 9,765,248.

Prime Factor Structure

Factorization String 7 × 61 × 19687
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 9,765,248
Proper Divisor Sum 1,358,899
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #8406337 ← → #8406367

Radix Representation

Decimal 8406349
Binary 100000000100010101001101 (24 bits)
Octal 0o40042515
Hexadecimal 0x80454D

Divisor Catalog (8)

1 7 61 427 19,687 137,809 1,200,907 8,406,349

Collatz Trajectory (243 steps to reach 1)

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

8,406,349 25,219,048 12,609,524 6,304,762 3,152,381 9,457,144 4,728,572 2,364,286 1,182,143 3,546,430 1,773,215 5,319,646 2,659,823 7,979,470 3,989,735 11,969,206 5,984,603 17,953,810 8,976,905 26,930,716 13,465,358 6,732,679 20,198,038 10,099,019 30,297,058 15,148,529 45,445,588 22,722,794 11,361,397 34,084,192 17,042,096 8,521,048 4,260,524 2,130,262 1,065,131 3,195,394 1,597,697 4,793,092 2,396,546 1,198,273 3,594,820 1,797,410 898,705 2,696,116 1,348,058 674,029 2,022,088 1,011,044 505,522 252,761 758,284 379,142 189,571 568,714 284,357 853,072 426,536 213,268 106,634 53,317

More profiles

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