Roll a D91 die

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Roll a die 2 times Roll 2 dice Roll a D92 die Flip a Coin Pick Random Numbers

D91 Dice Roller

D91 Dice Roller
Rolls a D91 die
Lets you roll multiple dice like 2 D91s, or 3 D91s. Add, remove or set numbers of dice to roll
Combine with other types of dice (like D89 and D93) to throw and make a custom dice roll

Statistics of this Dice Roller

RollD91
Total Kinds of Dice1
Total Dice1
Minimum Sum1
Maximum Sum91
Lowest Dice Face1
Highest Dice Face91
Highest Dice Face of the Smallest Die91
D91
Total Possible Combinations 91

Number of combinations are calculated using the formula [ (91+1-1) choose (1) ]

You can try generating all the combinations using the following combination generator
All possible combinations of 1D91
D91
Total Possible Permutations 91

Number of permutations are calculated using the formula [ 91^1 ]

You can try generating all the permutations using the following permutations generator
All possible permutations of 1D91

Probabilities of this Dice Roller

D91

Probability of getting a 1

In technical terms this is equivalent of getting atleast one 1. This is close to 0.011, about 1.1% 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 - (90/91)

Probability of not getting a 1

Probability of not getting any 1 is close to 0.99, about 98.9% percent.

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

90/91

Probability of getting all 1's

Probability of getting all 1's is close to 0.011, about 1.1% percent.

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

1/91

Probability of getting 1 1s

Probability of getting 1 1's is close to 0.011, about 1.1% percent.

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

1/91

Probability of getting a 91

In technical terms this is equivalent of getting atleast one 91. This is close to 0.011, about 1.1% percent.

This is calculated by multiplying all the probabilities of not getting a 91 for each dice and then subtracting the answer from 1.

1 - (90/91)

Probability of not getting a 91

Probability of not getting any 91 is close to 0.99, about 98.9% percent.

This is calculated by multiplying all the probabilities of not getting a 91 for each dice.

90/91

Probability of getting all 91's

Probability of getting all 91's is close to 0.011, about 1.1% percent.

This is calculated by multiplying together all the probabilities of getting a 91 for each dice.

1/91

Probability of getting 1 91s

Probability of getting 1 91's is close to 0.011, about 1.1% percent.

This is calculated by multiplying together all the probabilities of getting a 91 for each dice that has a 91.

1/91

Javascript code to create this dice roller


    // code to create a D91 dice roller

    
                   
        // define the range of numbers to pick from
        var lowest = 1;             // lowest possible side of the dice
        var highest = 91;           // 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 

    

    */