Hebrew numerals is a system that represents numbers using the letters of the Hebrew alphabet. Gematria is a way of assigning a numerical value to names, words or phrases, by summing up the numerical value of each letter.
Get to know Gematria by playing a fun game, Gematria War.
What does this have to do with Lag Ba'Omer?
'Days of the Omer' are the seven weeks from Passover to Shavu'ot. We celebrate Lag Ba'Omer on the 33rd day. Using Hebrew numerals 33 is ל+ג, which reads as 'lag'.