Roll a D840 die

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D840 Dice Roller

D840 Dice Roller
Rolls a D840 die
Lets you roll multiple dice like 2 D840s, or 3 D840s. Add, remove or set numbers of dice to roll

Statistics of this Dice Roller

RollD840
Total Kinds of Dice1
Total Dice1
Minimum Sum1
Maximum Sum840
Lowest Dice Face1
Highest Dice Face840
Highest Dice Face of the Smallest Die840
D840
Total Possible Combinations 840

Number of combinations are calculated using the formula [ (840+1-1) choose (1) ]

You can try generating all the combinations using the following combination generator
All possible combinations of 1D840
D840
Total Possible Permutations 840

Number of permutations are calculated using the formula [ 840^1 ]

You can try generating all the permutations using the following permutations generator
All possible permutations of 1D840

Probabilities of this Dice Roller

D840

Probability of getting a 1

In technical terms this is equivalent of getting atleast one 1. This is close to 0.0012, about 0.12% percent.

This is calculated by multiplying all the probabilities of not getting a 1 for each dice and then subtracting the answer from 1.

1 - (839/840)

Probability of not getting a 1

Probability of not getting any 1 is close to 1., about 99.88% percent.

This is calculated by multiplying all the probabilities of not getting a 1 for each dice.

839/840

Probability of getting all 1's

Probability of getting all 1's is close to 0.0012, about 0.12% percent.

This is calculated by multiplying together all the probabilities of getting a 1 for each dice.

1/840

Probability of getting 1 1s

Probability of getting 1 1's is close to 0.0012, about 0.12% percent.

This is calculated by multiplying together all the probabilities of getting a 1 for each dice that has a 1.

1/840

Probability of getting a 840

In technical terms this is equivalent of getting atleast one 840. This is close to 0.0012, about 0.12% percent.

This is calculated by multiplying all the probabilities of not getting a 840 for each dice and then subtracting the answer from 1.

1 - (839/840)

Probability of not getting a 840

Probability of not getting any 840 is close to 1., about 99.88% percent.

This is calculated by multiplying all the probabilities of not getting a 840 for each dice.

839/840

Probability of getting all 840's

Probability of getting all 840's is close to 0.0012, about 0.12% percent.

This is calculated by multiplying together all the probabilities of getting a 840 for each dice.

1/840

Probability of getting 1 840s

Probability of getting 1 840's is close to 0.0012, about 0.12% percent.

This is calculated by multiplying together all the probabilities of getting a 840 for each dice that has a 840.

1/840

Javascript code to create this dice roller


    // code to create a D840 dice roller

    
                   
        // define the range of numbers to pick from
        var lowest = 1;             // lowest possible side of the dice
        var highest = 840;           // highest possible side of the dice
        var numbers_of_dice = 1;    // how many dice to roll     
        
        var this_roll = []; // array to store the results of this roll

        for (var j = 1; j <= numbers_of_dice; j++) {

            // loop for the number of dice

            // for each dice, generate a number between lowest and highest
            var dice_face = Math.floor(Math.random() * (highest-lowest+1) + lowest);
            this_roll.push(dice_face); //store this in the array
        }
            
        
        // print all the generated rolls
            
        for (j = 0; j < this_roll.length; j++) {

            // loop through the dice array 

            //print each dice roll value followed by a space
            document.write(this_roll[j]);
            document.write(" ");

        }
            
        
    

    /* 

    Sample output 

    

    */