What kind of Alogrithm has 16 characters?

5000 + Black + x = c1a407d8e6daf55c
5000 + Brown + x = 968d5a260fb26e9e
5000 + Desert + x = 37228390e470555f
5000 + Green + x = 05f1ebee97010e14
I’ve never seen a Hash that has 16 chars before.. It’s not MD5, SHA1, ect. Are there custom hash codes?
Answer #1
bump :/
Answer #2
It could be CRC64