λ
Sigma Notebook

7,806,381

3 × 11 × 229 × 1033
Deficient Odd Composite

7,806,381 is odd and not a perfect square. Its factorization is 3 × 11 × 229 × 1033 and its 16 divisors sum to 11,415,360.

Prime Factor Structure

Factorization String 3 × 11 × 229 × 1033
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 11,415,360
Proper Divisor Sum 3,608,979
Digit Sum / Digital Root 33 (Root: 6)
Adjacent Primes #7806377 ← → #7806419

Radix Representation

Decimal 7806381
Binary 11101110001110110101101 (23 bits)
Octal 0o35616655
Hexadecimal 0x771DAD

Divisor Catalog (16)

1 3 11 33 229 687 1,033 2,519 3,099 7,557 11,363 34,089 236,557 709,671 2,602,127 7,806,381

Collatz Trajectory (155 steps to reach 1)

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

7,806,381 23,419,144 11,709,572 5,854,786 2,927,393 8,782,180 4,391,090 2,195,545 6,586,636 3,293,318 1,646,659 4,939,978 2,469,989 7,409,968 3,704,984 1,852,492 926,246 463,123 1,389,370 694,685 2,084,056 1,042,028 521,014 260,507 781,522 390,761 1,172,284 586,142 293,071 879,214 439,607 1,318,822 659,411 1,978,234 989,117 2,967,352 1,483,676 741,838 370,919 1,112,758 556,379 1,669,138 834,569 2,503,708 1,251,854 625,927 1,877,782 938,891 2,816,674 1,408,337 4,225,012 2,112,506 1,056,253 3,168,760 1,584,380 792,190 396,095 1,188,286 594,143 1,782,430

More profiles

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