λ
Match Zalai

7,811,121

3 × 29 × 89783
Deficient Odd Composite

7,811,121 factors as 3 × 29 × 89783. Its 8 positive divisors give a proper-divisor sum of 2,962,959, so this integer is deficient. The Collatz stopping time is 155 steps.

Prime Factor Structure

Factorization String 3 × 29 × 89783
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 10,774,080
Proper Divisor Sum 2,962,959
Digit Sum / Digital Root 21 (Root: 3)
Adjacent Primes #7811117 ← → #7811129

Radix Representation

Decimal 7811121
Binary 11101110011000000110001 (23 bits)
Octal 0o35630061
Hexadecimal 0x773031

Divisor Catalog (8)

1 3 29 87 89,783 269,349 2,603,707 7,811,121

Collatz Trajectory (155 steps to reach 1)

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

7,811,121 23,433,364 11,716,682 5,858,341 17,575,024 8,787,512 4,393,756 2,196,878 1,098,439 3,295,318 1,647,659 4,942,978 2,471,489 7,414,468 3,707,234 1,853,617 5,560,852 2,780,426 1,390,213 4,170,640 2,085,320 1,042,660 521,330 260,665 781,996 390,998 195,499 586,498 293,249 879,748 439,874 219,937 659,812 329,906 164,953 494,860 247,430 123,715 371,146 185,573 556,720 278,360 139,180 69,590 34,795 104,386 52,193 156,580 78,290 39,145 117,436 58,718 29,359 88,078 44,039 132,118 66,059 198,178 99,089 297,268

More profiles

← Previous Integer #7,811,120 Browse Full Index Next Integer #7,811,122 →