Properties of the Number 17220

Seventeen Thousand Two Hundred Twenty

Basics

Value: 17219 → 17220 → 17221

Parity: even

Prime: No

Previous Prime: 17209

Next Prime: 17231

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 5 × 7 × 41

Divisors: 1, 2, 3, 4, 5, 6, 7, 10, 12, 14

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100001101000100

Octal: 41504

Duodecimal: 9B70

Hexadecimal: 4344

Square: 296528400

Square Root: 131.224997618594

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Numbers k such that 2^k + 3 is prime. A57732

a(n) = floor(n*(n-1)*(n-2)/4). A11886

a(n) = n*(n+1)*(2·n+1). A55112

Triangle read by rows: T(n,k) = number of noncommutative symmetric polynomials of degree n that have exactly k different variables appearing in each monomial and which generate the algebra of all noncommutative symmetric polynomials (n >= 1, 1 <= k <= n). A55105

Triangle T(k,n) giving number of symmetric polynomials of degree n in k noncommuting variables, n >=2, 2 <= k <= n. A55107

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=10. A135195

Least number k such that there are exactly n ways to choose a multiset consisting of a binary index of each binary index of k. A367913

Triangle T(n,k) giving number of symmetric polynomials of degree n in k noncommuting variables, n >=2, 2 <= k <= n. A55106

Number of regions formed inside square by diagonals and the segments joining the vertices to the points dividing the sides into n equal length segments. A108914

Largest area of a Pythagorean triangle with n as length of one of the three sides (in fact as a leg). A55522