λ
Sequence Observatory

7,958,875

53 × 63671
Deficient Odd Composite

Starting at 7,958,875, the Collatz iteration reaches 1 after 124 steps. The first transition is 23876626; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 5^3 × 63671
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 9,932,832
Proper Divisor Sum 1,973,957
Digit Sum / Digital Root 49 (Root: 4)
Adjacent Primes #7958869 ← → #7958893

Radix Representation

Decimal 7958875
Binary 11110010111000101011011 (23 bits)
Octal 0o36270533
Hexadecimal 0x79715B

Divisor Catalog (8)

1 5 25 125 63,671 318,355 1,591,775 7,958,875

Collatz Trajectory (124 steps to reach 1)

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

7,958,875 23,876,626 11,938,313 35,814,940 17,907,470 8,953,735 26,861,206 13,430,603 40,291,810 20,145,905 60,437,716 30,218,858 15,109,429 45,328,288 22,664,144 11,332,072 5,666,036 2,833,018 1,416,509 4,249,528 2,124,764 1,062,382 531,191 1,593,574 796,787 2,390,362 1,195,181 3,585,544 1,792,772 896,386 448,193 1,344,580 672,290 336,145 1,008,436 504,218 252,109 756,328 378,164 189,082 94,541 283,624 141,812 70,906 35,453 106,360 53,180 26,590 13,295 39,886 19,943 59,830 29,915 89,746 44,873 134,620 67,310 33,655 100,966 50,483

More profiles

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