λ
Sigma Notebook

1,817,699

13 × 37 × 3779
Deficient Odd Composite

1,817,699 is odd and not a perfect square. Its factorization is 13 × 37 × 3779 and its 8 divisors sum to 2,010,960.

Prime Factor Structure

Factorization String 13 × 37 × 3779
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 2,010,960
Proper Divisor Sum 193,261
Digit Sum / Digital Root 41 (Root: 5)
Adjacent Primes #1817689 ← → #1817701

Radix Representation

Decimal 1817699
Binary 110111011110001100011 (21 bits)
Octal 0o6736143
Hexadecimal 0x1BBC63

Divisor Catalog (8)

1 13 37 481 3,779 49,127 139,823 1,817,699

Collatz Trajectory (109 steps to reach 1)

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

1,817,699 5,453,098 2,726,549 8,179,648 4,089,824 2,044,912 1,022,456 511,228 255,614 127,807 383,422 191,711 575,134 287,567 862,702 431,351 1,294,054 647,027 1,941,082 970,541 2,911,624 1,455,812 727,906 363,953 1,091,860 545,930 272,965 818,896 409,448 204,724 102,362 51,181 153,544 76,772 38,386 19,193 57,580 28,790 14,395 43,186 21,593 64,780 32,390 16,195 48,586 24,293 72,880 36,440 18,220 9,110 4,555 13,666 6,833 20,500 10,250 5,125 15,376 7,688 3,844 1,922

More profiles

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