2,971,087

7 × 19 × 89 × 251

Starting at 2,971,087, the Collatz iteration reaches 1 after 120 steps. The first transition is 8913262; the starting value is odd with 16 positive divisors.

Prime Factor Structure

Factorization String 7 × 19 × 89 × 251

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,628,800

Proper Divisor Sum 657,713

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #2971081 ← → #2971093

Radix Representation

Decimal	2971087
Binary	1011010101010111001111 (22 bits)
Octal	0o13252717
Hexadecimal	0x2D55CF

Divisor Catalog (16)

1 7 19 89 133 251 623 1,691 1,757 4,769 11,837 22,339 33,383 156,373 424,441 2,971,087

Collatz Trajectory (120 steps to reach 1)

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

2,971,087 8,913,262 4,456,631 13,369,894 6,684,947 20,054,842 10,027,421 30,082,264 15,041,132 7,520,566 3,760,283 11,280,850 5,640,425 16,921,276 8,460,638 4,230,319 12,690,958 6,345,479 19,036,438 9,518,219 28,554,658 14,277,329 42,831,988 21,415,994 10,707,997 32,123,992 16,061,996 8,030,998 4,015,499 12,046,498 6,023,249 18,069,748 9,034,874 4,517,437 13,552,312 6,776,156 3,388,078 1,694,039 5,082,118 2,541,059 7,623,178 3,811,589 11,434,768 5,717,384 2,858,692 1,429,346 714,673 2,144,020 1,072,010 536,005 1,608,016 804,008 402,004 201,002 100,501 301,504 150,752 75,376 37,688 18,844

← Previous Integer #2,971,086 Browse Full Index Next Integer #2,971,088 →