2,641,966

2 × 1320983

2,641,966 factors as 2 × 1320983. Its 4 positive divisors give a proper-divisor sum of 1,320,986, so this integer is deficient. The Collatz stopping time is 187 steps.

Prime Factor Structure

Factorization String 2 × 1320983

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 3,962,952

Proper Divisor Sum 1,320,986

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #2641949 ← → #2641993

Radix Representation

Decimal	2641966
Binary	1010000101000000101110 (22 bits)
Octal	0o12050056
Hexadecimal	0x28502E

Divisor Catalog (4)

1 2 1,320,983 2,641,966

Collatz Trajectory (187 steps to reach 1)

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

2,641,966 1,320,983 3,962,950 1,981,475 5,944,426 2,972,213 8,916,640 4,458,320 2,229,160 1,114,580 557,290 278,645 835,936 417,968 208,984 104,492 52,246 26,123 78,370 39,185 117,556 58,778 29,389 88,168 44,084 22,042 11,021 33,064 16,532 8,266 4,133 12,400 6,200 3,100 1,550 775 2,326 1,163 3,490 1,745 5,236 2,618 1,309 3,928 1,964 982 491 1,474 737 2,212 1,106 553 1,660 830 415 1,246 623 1,870 935 2,806

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