λ
Sigma Notebook

664,767

34 × 29 × 283
Deficient Odd Composite

664,767 is odd and not a perfect square. Its factorization is 3^4 × 29 × 283 and its 20 divisors sum to 1,030,920.

Prime Factor Structure

Factorization String 3^4 × 29 × 283
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 20
Divisor Sum (σ) 1,030,920
Proper Divisor Sum 366,153
Digit Sum / Digital Root 36 (Root: 9)
Adjacent Primes #664757 ← → #664771

Radix Representation

Decimal 664767
Binary 10100010010010111111 (20 bits)
Octal 0o2422277
Hexadecimal 0xA24BF

Divisor Catalog (20)

1 3 9 27 29 81 87 261 283 783 849 2,349 2,547 7,641 8,207 22,923 24,621 73,863 221,589 664,767

Collatz Trajectory (216 steps to reach 1)

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

664,767 1,994,302 997,151 2,991,454 1,495,727 4,487,182 2,243,591 6,730,774 3,365,387 10,096,162 5,048,081 15,144,244 7,572,122 3,786,061 11,358,184 5,679,092 2,839,546 1,419,773 4,259,320 2,129,660 1,064,830 532,415 1,597,246 798,623 2,395,870 1,197,935 3,593,806 1,796,903 5,390,710 2,695,355 8,086,066 4,043,033 12,129,100 6,064,550 3,032,275 9,096,826 4,548,413 13,645,240 6,822,620 3,411,310 1,705,655 5,116,966 2,558,483 7,675,450 3,837,725 11,513,176 5,756,588 2,878,294 1,439,147 4,317,442 2,158,721 6,476,164 3,238,082 1,619,041 4,857,124 2,428,562 1,214,281 3,642,844 1,821,422 910,711

More profiles

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