Deficient number

(Arith.)

See under Abundant.

deficient number

[də′fish·ənt ′nəm·bər] (mathematics) A positive integer the sum of whose divisors, including 1 but excluding itself, is less than itself. Also known as defective number.

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rpcs
rpcsa
rpcsp/max
rpcsq
rpcss
rpct
rpcu
rpcus
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rpcvd
rpcvw
rpcz
rpd
rpd1
rpd3
rpd3-2
rpd3l1
r-pda
rpda
rpdac
rpdb
rpdc
r-pdcch
r-pdch
rpdd

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