187110

Appears in sequences

• Kaprekar numbers: positive numbers n such that n = q+r and n^2 = q*10^m+r, for some m >= 1, q >= 0 and 0 <= r < 10^m, with n != 10^a, a >= 1.at n=27A006886
• The full list of 6-Kaprekar numbers.at n=6A053397
• Another version of the Kaprekar numbers (A006886): n such that n = q+r and n^2 = q*10^m+r, for some m >= 1, q >= 0 and 0 <= r < 10^m, with n != 10^a, a >= 1 and n an m-digit number.at n=24A053816
• a(n) = (n+1)^2*(n+2)*(2*n+3)/6.at n=26A108678
• Numbers n that raised to the powers from 1 to k (with k>=1) are multiple of the sum of their digits (n raised to k+1 must not be a multiple). Case k=11.at n=29A135196
• Numbers with prime factorization pqrst^5.at n=30A190383
• Triangle of coefficients of a sequence of binomial type polynomials.at n=25A195205
• Number of set partitions of {1,...,n} with largest set of size 6.at n=6A229248
• Square array read by antidiagonals downwards: super Patalan numbers of order 3.at n=50A248324
• Kaprekar numbers, allowing powers of 10: n such that n=q+r and n^2=q*10^m+r, for some m >= 1, q>=0 and 0<=r<10^m.at n=32A248353
• Number of set partitions of [2n] with largest set of size n.at n=6A276961
• Denominator of the expected fraction of occupied places on n-length lattice randomly filled with 2-length segments.at n=10A307132
• Kaprekar numbers (A006886) that are divisible by the sum of their digits.at n=11A382165