OFFSET
1,1
MATHEMATICA
Select[Range[300], Min[IntegerDigits[#]] == 2 &] (* Alonso del Arte, Mar 19 2017 *)
PROG
(Magma) [n: n in [1..100000] | Minimum(Setseq(Set(Sort(&cat[Intseq(n)])))) eq 2]
(PARI) isok(n) = vecmin(digits(n)) == 2; \\ Michel Marcus, Mar 25 2017
(Python)
def ok(n): return '2' == min(str(n))
print([m for m in range(269) if ok(m)]) # Michael S. Branicky, Feb 22 2021
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Jaroslav Krizek, Mar 19 2017
STATUS
approved