jetpack joyride - What is the meaning of these numbers under the 'Prestige' medals? - Arqade

Under the 'Prestige' medals in Jetpack Joyride is a number accompanying the medal (#87 and #38 in the photo below). Do these numbers have a meaning, or are they just random?

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Badges, Jetpack Joyride Wiki

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Vehicles, Jetpack Joyride Wiki

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Gemology, Jetpack Joyride Wiki

Tee Hee Two achievement in Jetpack Joyride (WP)

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Jetpack joyride part 17, Pirate

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