Multiple choice general knowledge math & puzzles

Complete the series: 2, 10, 84, 1028 , ?

  1. 1582

  2. 5866

  3. 2463

  4. 15630
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The pattern is $n^n + n$: $1^1+1=2$, $2^2+2=6$ (not in list), $3^3+3=30$ (not in list). Actually, the pattern is $n^x + n$: $1^1+1=2$, $3^2+1=10$, $9^2+3=84$ is wrong. Correct pattern: $1^1+1=2$, $2^3+2=10$, $3^4+3=84$, $4^5+4=1028$, $5^6+5=15625+5=15630$.

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