λ
Sigma Notebook

7,908,987

3 × 23 × 83 × 1381
Deficient Odd Composite

7,908,987 is odd and not a perfect square. Its factorization is 3 × 23 × 83 × 1381 and its 16 divisors sum to 11,144,448.

Prime Factor Structure

Factorization String 3 × 23 × 83 × 1381
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 11,144,448
Proper Divisor Sum 3,235,461
Digit Sum / Digital Root 48 (Root: 3)
Adjacent Primes #7908977 ← → #7908991

Radix Representation

Decimal 7908987
Binary 11110001010111001111011 (23 bits)
Octal 0o36127173
Hexadecimal 0x78AE7B

Divisor Catalog (16)

1 3 23 69 83 249 1,381 1,909 4,143 5,727 31,763 95,289 114,623 343,869 2,636,329 7,908,987

Collatz Trajectory (173 steps to reach 1)

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

7,908,987 23,726,962 11,863,481 35,590,444 17,795,222 8,897,611 26,692,834 13,346,417 40,039,252 20,019,626 10,009,813 30,029,440 15,014,720 7,507,360 3,753,680 1,876,840 938,420 469,210 234,605 703,816 351,908 175,954 87,977 263,932 131,966 65,983 197,950 98,975 296,926 148,463 445,390 222,695 668,086 334,043 1,002,130 501,065 1,503,196 751,598 375,799 1,127,398 563,699 1,691,098 845,549 2,536,648 1,268,324 634,162 317,081 951,244 475,622 237,811 713,434 356,717 1,070,152 535,076 267,538 133,769 401,308 200,654 100,327 300,982

More profiles

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