λ
Sigma Notebook

1,805,332

22 × 17 × 139 × 191
Deficient Even Composite

1,805,332 is even and not a perfect square. Its factorization is 2^2 × 17 × 139 × 191 and its 24 divisors sum to 3,386,880.

Prime Factor Structure

Factorization String 2^2 × 17 × 139 × 191
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 3,386,880
Proper Divisor Sum 1,581,548
Digit Sum / Digital Root 22 (Root: 4)
Adjacent Primes #1805327 ← → #1805357

Radix Representation

Decimal 1805332
Binary 110111000110000010100 (21 bits)
Octal 0o6706024
Hexadecimal 0x1B8C14

Divisor Catalog (24)

1 2 4 17 34 68 139 191 278 382 556 764 2,363 3,247 4,726 6,494 9,452 12,988 26,549 53,098 106,196 451,333 902,666 1,805,332

Collatz Trajectory (88 steps to reach 1)

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

1,805,332 902,666 451,333 1,354,000 677,000 338,500 169,250 84,625 253,876 126,938 63,469 190,408 95,204 47,602 23,801 71,404 35,702 17,851 53,554 26,777 80,332 40,166 20,083 60,250 30,125 90,376 45,188 22,594 11,297 33,892 16,946 8,473 25,420 12,710 6,355 19,066 9,533 28,600 14,300 7,150 3,575 10,726 5,363 16,090 8,045 24,136 12,068 6,034 3,017 9,052 4,526 2,263 6,790 3,395 10,186 5,093 15,280 7,640 3,820 1,910

More profiles

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