λ
Sigma Notebook

7,729,199

31 × 249329
Deficient Odd Composite

7,729,199 is odd and not a perfect square. Its factorization is 31 × 249329 and its 4 divisors sum to 7,978,560.

Prime Factor Structure

Factorization String 31 × 249329
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 7,978,560
Proper Divisor Sum 249,361
Digit Sum / Digital Root 44 (Root: 8)
Adjacent Primes #7729157 ← → #7729247

Radix Representation

Decimal 7729199
Binary 11101011111000000101111 (23 bits)
Octal 0o35370057
Hexadecimal 0x75F02F

Divisor Catalog (4)

1 31 249,329 7,729,199

Collatz Trajectory (155 steps to reach 1)

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

7,729,199 23,187,598 11,593,799 34,781,398 17,390,699 52,172,098 26,086,049 78,258,148 39,129,074 19,564,537 58,693,612 29,346,806 14,673,403 44,020,210 22,010,105 66,030,316 33,015,158 16,507,579 49,522,738 24,761,369 74,284,108 37,142,054 18,571,027 55,713,082 27,856,541 83,569,624 41,784,812 20,892,406 10,446,203 31,338,610 15,669,305 47,007,916 23,503,958 11,751,979 35,255,938 17,627,969 52,883,908 26,441,954 13,220,977 39,662,932 19,831,466 9,915,733 29,747,200 14,873,600 7,436,800 3,718,400 1,859,200 929,600 464,800 232,400 116,200 58,100 29,050 14,525 43,576 21,788 10,894 5,447 16,342 8,171

More profiles

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