Properties of the Number 16980

Sixteen Thousand Nine Hundred Eighty

Basics

Value: 16979 → 16980 → 16981

Parity: even

Prime: No

Previous Prime: 16979

Next Prime: 16981

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 5 × 283

Divisors: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100001001010100

Octal: 41124

Duodecimal: 99B0

Hexadecimal: 4254

Square: 288320400

Square Root: 130.3073290340954

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

Triangle read by rows: T(n,k) is the number of c-nets with n+1 faces and k+1 vertices. A290326

Number of maximal subsets of {1..n} such that every orderless pair of distinct elements has a different sum. A325878

Number of distinct topologies on an n-set that have exactly 11 open sets. A281779

a(n) is the number of c-nets with n+1 vertices and 2n edges, n >= 1. A1506

a(n) = 1000·n - 20. A157515

Exponential convolution of partition numbers (A000041) with themselves. A307755

Number of integer partitions of n where the least part is the unique mode. A364193

Triangle read by rows: T(n,k) is the number of c-nets with n+1 faces and k+1 vertices, 1 <= k <= n. But see A290326 for a better version. A210252

a(n) = n·A000699(n). A212273

Midpoints k of a pair of twin primes such that σ(k) is also the midpoint of a pair of twin primes. A349981