Cross Reference LEVITICUS 27:6 AND IF IT BE FROM A MONTH OLD EVEN UNTO FIVE YEARS OLD THEN THY ESTIMATION SHALL BE OF THE MALE FIVE SHEKELS OF SILVER AND FOR THE FEMALE THY ESTIMATION SHALL BE THREE SHEKELS OF SILVER

{Leviticus 27:6} And if x518 [it be] from a month y2320 old 1121 x4480 x2320 even unto x5704 five 2568 years 8141 old, 1121 then thy estimation 6187 shall be x1961 of the male 2145 five 2568 shekels 8255 of silver, 3701 and for the female 5347 thy estimation 6187 [shall be] three 7969 shekels 8255 of silver. 3701

from:
"And the LORDª saidª ° unto¹ Moses,ª Numberª ° all¹ the firstbornª of the malesª of the childrenª of Israelª from a monthª oldª ¹ and upward,ª and takeª °¹ the numberª of their names.ª ... And all¹ the firstbornª malesª by the numberª of names,ª from a monthª oldª ¹ and upward,ª of those that were numberedª ° of them, were¹ twentyª and twoª thousandª two hundredª and threescore and thirteen.ª ª" {Num 3:40-43} + "Every thing¹ devotedª in Israelª shall be¹ thine. ... And those that are to be redeemedª ° from a monthª oldª ¹ shalt thou redeem,ª ° according to thine estimation,ª for the moneyª of fiveª shekels,ª after the shekelª of the sanctuary,ª which¹ [is] twentyª gerahs.ª" {Num 18:14-16}

the male:
The male five shekels, 15s., the female three shekels, 9s. Being both in infancy they were nearly of an equal value.