Integer Profile

1,999,886

2 × 7^2 × 20407

Prime factors, divisor sums, positional representations and sequence properties for 1,999,886. The prime factorization is 2 × 7^2 × 20407.

Number of positive divisors: 12. Showing the recorded part of the sequence: 140.

DeficientEvenComposite

Prime factorization

Factorization: 2 × 7^2 × 20407
Distinct prime factors: 3
Perfect square: No
Parity: Even

Arithmetic properties

Positive divisors: 12
Divisor sum: 3,489,768
Proper-divisor sum: 1,489,882
Digit sum: 50
Digital root: 5

Number bases

Decimal: 1999886
Binary: 111101000010000001110 (21 bits)
Octal: 0o7502016
Hexadecimal: 0x1E840E

Divisor catalog (12)

12714499820,40740,814142,849285,698999,9431,999,886

Showing 12 of 12.

Collatz trajectory (140 steps)

Even: n → n/2; Odd: n → 3n + 1

1,999,886999,9432,999,8301,499,9154,499,7462,249,8736,749,6203,374,8101,687,4055,062,2162,531,1081,265,554632,7771,898,332949,166474,5831,423,750711,8752,135,6261,067,8133,203,4401,601,720800,860400,430200,215600,646300,323900,970450,4851,351,456675,728337,864168,93284,46642,233126,70063,35031,67595,02647,513142,54071,27035,635106,90653,453160,36080,18040,09020,04560,13630,06815,0347,51722,55211,2765,6382,8198,4584,22912,688

Showing 60 of 60.