λ
Sigma Notebook

8,927,815

5 × 13 × 19 × 7229
Deficient Odd Composite

8,927,815 is odd and not a perfect square. Its factorization is 5 × 13 × 19 × 7229 and its 16 divisors sum to 12,146,400.

Prime Factor Structure

Factorization String 5 × 13 × 19 × 7229
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 12,146,400
Proper Divisor Sum 3,218,585
Digit Sum / Digital Root 40 (Root: 4)
Adjacent Primes #8927813 ← → #8927833

Radix Representation

Decimal 8927815
Binary 100010000011101001000111 (24 bits)
Octal 0o42035107
Hexadecimal 0x883A47

Divisor Catalog (16)

1 5 13 19 65 95 247 1,235 7,229 36,145 93,977 137,351 469,885 686,755 1,785,563 8,927,815

Collatz Trajectory (168 steps to reach 1)

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

8,927,815 26,783,446 13,391,723 40,175,170 20,087,585 60,262,756 30,131,378 15,065,689 45,197,068 22,598,534 11,299,267 33,897,802 16,948,901 50,846,704 25,423,352 12,711,676 6,355,838 3,177,919 9,533,758 4,766,879 14,300,638 7,150,319 21,450,958 10,725,479 32,176,438 16,088,219 48,264,658 24,132,329 72,396,988 36,198,494 18,099,247 54,297,742 27,148,871 81,446,614 40,723,307 122,169,922 61,084,961 183,254,884 91,627,442 45,813,721 137,441,164 68,720,582 34,360,291 103,080,874 51,540,437 154,621,312 77,310,656 38,655,328 19,327,664 9,663,832 4,831,916 2,415,958 1,207,979 3,623,938 1,811,969 5,435,908 2,717,954 1,358,977 4,076,932 2,038,466

More profiles

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