λ
Ratio Atlas

8,058,989

131 × 61519
Deficient Odd Composite

8,058,989 factors as 131 × 61519. Its 4 positive divisors give a proper-divisor sum of 61,651, so this integer is deficient. The Collatz stopping time is 261 steps.

Prime Factor Structure

Factorization String 131 × 61519
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 8,120,640
Proper Divisor Sum 61,651
Digit Sum / Digital Root 47 (Root: 2)
Adjacent Primes #8058937 ← → #8059033

Radix Representation

Decimal 8058989
Binary 11110101111100001101101 (23 bits)
Octal 0o36574155
Hexadecimal 0x7AF86D

Divisor Catalog (4)

1 131 61,519 8,058,989

Collatz Trajectory (261 steps to reach 1)

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

8,058,989 24,176,968 12,088,484 6,044,242 3,022,121 9,066,364 4,533,182 2,266,591 6,799,774 3,399,887 10,199,662 5,099,831 15,299,494 7,649,747 22,949,242 11,474,621 34,423,864 17,211,932 8,605,966 4,302,983 12,908,950 6,454,475 19,363,426 9,681,713 29,045,140 14,522,570 7,261,285 21,783,856 10,891,928 5,445,964 2,722,982 1,361,491 4,084,474 2,042,237 6,126,712 3,063,356 1,531,678 765,839 2,297,518 1,148,759 3,446,278 1,723,139 5,169,418 2,584,709 7,754,128 3,877,064 1,938,532 969,266 484,633 1,453,900 726,950 363,475 1,090,426 545,213 1,635,640 817,820 408,910 204,455 613,366 306,683

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