λ
Sigma Notebook

1,307,755

5 × 292 × 311
Deficient Odd Composite

1,307,755 is odd and not a perfect square. Its factorization is 5 × 29^2 × 311 and its 12 divisors sum to 1,630,512.

Prime Factor Structure

Factorization String 5 × 29^2 × 311
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 1,630,512
Proper Divisor Sum 322,757
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #1307753 ← → #1307767

Radix Representation

Decimal 1307755
Binary 100111111010001101011 (21 bits)
Octal 0o4772153
Hexadecimal 0x13F46B

Divisor Catalog (12)

1 5 29 145 311 841 1,555 4,205 9,019 45,095 261,551 1,307,755

Collatz Trajectory (93 steps to reach 1)

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

1,307,755 3,923,266 1,961,633 5,884,900 2,942,450 1,471,225 4,413,676 2,206,838 1,103,419 3,310,258 1,655,129 4,965,388 2,482,694 1,241,347 3,724,042 1,862,021 5,586,064 2,793,032 1,396,516 698,258 349,129 1,047,388 523,694 261,847 785,542 392,771 1,178,314 589,157 1,767,472 883,736 441,868 220,934 110,467 331,402 165,701 497,104 248,552 124,276 62,138 31,069 93,208 46,604 23,302 11,651 34,954 17,477 52,432 26,216 13,108 6,554 3,277 9,832 4,916 2,458 1,229 3,688 1,844 922 461 1,384

More profiles

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