6,391,131

3 × 1051 × 2027

Starting at 6,391,131, the Collatz iteration reaches 1 after 121 steps. The first transition is 19173394; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 3 × 1051 × 2027

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 8,533,824

Proper Divisor Sum 2,142,693

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #6391129 ← → #6391157

Radix Representation

Decimal	6391131
Binary	11000011000010101011011 (23 bits)
Octal	0o30302533
Hexadecimal	0x61855B

Divisor Catalog (8)

1 3 1,051 2,027 3,153 6,081 2,130,377 6,391,131

Collatz Trajectory (121 steps to reach 1)

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

6,391,131 19,173,394 9,586,697 28,760,092 14,380,046 7,190,023 21,570,070 10,785,035 32,355,106 16,177,553 48,532,660 24,266,330 12,133,165 36,399,496 18,199,748 9,099,874 4,549,937 13,649,812 6,824,906 3,412,453 10,237,360 5,118,680 2,559,340 1,279,670 639,835 1,919,506 959,753 2,879,260 1,439,630 719,815 2,159,446 1,079,723 3,239,170 1,619,585 4,858,756 2,429,378 1,214,689 3,644,068 1,822,034 911,017 2,733,052 1,366,526 683,263 2,049,790 1,024,895 3,074,686 1,537,343 4,612,030 2,306,015 6,918,046 3,459,023 10,377,070 5,188,535 15,565,606 7,782,803 23,348,410 11,674,205 35,022,616 17,511,308 8,755,654

← Previous Integer #6,391,130 Browse Full Index Next Integer #6,391,132 →