λ
Sigma Notebook

1,408,901

13 × 108377
Deficient Odd Composite

1,408,901 is odd and not a perfect square. Its factorization is 13 × 108377 and its 4 divisors sum to 1,517,292.

Prime Factor Structure

Factorization String 13 × 108377
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 1,517,292
Proper Divisor Sum 108,391
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #1408889 ← → #1408961

Radix Representation

Decimal 1408901
Binary 101010111111110000101 (21 bits)
Octal 0o5277605
Hexadecimal 0x157F85

Divisor Catalog (4)

1 13 108,377 1,408,901

Collatz Trajectory (168 steps to reach 1)

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

1,408,901 4,226,704 2,113,352 1,056,676 528,338 264,169 792,508 396,254 198,127 594,382 297,191 891,574 445,787 1,337,362 668,681 2,006,044 1,003,022 501,511 1,504,534 752,267 2,256,802 1,128,401 3,385,204 1,692,602 846,301 2,538,904 1,269,452 634,726 317,363 952,090 476,045 1,428,136 714,068 357,034 178,517 535,552 267,776 133,888 66,944 33,472 16,736 8,368 4,184 2,092 1,046 523 1,570 785 2,356 1,178 589 1,768 884 442 221 664 332 166 83 250

More profiles

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