Ipun makasami ngawantu antuk ngambarin rasio frekuensi interval musik, nampak ring rumus ngitungvwilangan prima utawi faktorial sane paek, kainfonang makudang model saking psikofisika, lan polih ngawantu ring akuntansi forensik.
They help to describe frequency ratios of musical intervals, appear in formulas counting prime numbers or approximating factorials, inform some models in psychophysics, and can aid in forensic accounting.