Properties of the Number 17122

Seventeen Thousand One Hundred Twenty-Two

Basics

Value: 17121 → 17122 → 17123

Parity: even

Prime: No

Previous Prime: 17117

Next Prime: 17123

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 × 7 × 1223

Divisors: 1, 2, 7, 14, 1223, 2446, 8561, 17122

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 100001011100010

Octal: 41342

Duodecimal: 9AAA

Hexadecimal: 42e2

Square: 293162884

Square Root: 130.85106037017812

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

Irregular table read by rows: T(n,k) is the number of k-gons, k>=2, among all distinct circles that can be constructed from a 2·n square grid of points using only a compass. A359862

a(n) = ∑_k=0..n (-1)^n-k * binomial(8·k,k) / (7·k + 1). A346684

a(n) = ∑_k=1..n-1 k·A110971(n,k). A152086

Sums of groups in A075639. A75640

Numbers whose second arithmetic derivative (A068346) is a primorial number (A002110) > 1. A368702

Numbers n such that n!!! - 3⁹ is prime, where n!3 = n!!! is a triple factorial number (A007661). A267029

a(n) = T(n,m) + T(n,m+1) + ... + T(n,n), m=[ (n+1)/2 ], T given by A026758. A26880

Composite numbers, not ending with 0, sharing a 3-digit sequence with some of its prime factors. A131523

G.f. A(x) satisfies: [xⁿ⁺¹] A(x)ⁿ = n*([x^n-1] A(x)ⁿ) for n>=1. A245310

a(n) = (8·n + 4)¹⁰. A17122