Properties of the Number 16978

Sixteen Thousand Nine Hundred Seventy-Eight

Basics

Value: 16977 → 16978 → 16979

Parity: even

Prime: No

Previous Prime: 16963

Next Prime: 16979

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 × 13 × 653

Divisors: 1, 2, 13, 26, 653, 1306, 8489, 16978

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100001001010010

Octal: 41122

Duodecimal: 99AA

Hexadecimal: 4252

Square: 288252484

Square Root: 130.29965464267354

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

Number of partitions p of n that include (min(p) + max(p))/2 as a part. A238480

a(n) = ∑_y=1..n ∑_x=1..n floor((x^k + y^k)^1/k) with k = 2. A211791

Indices of primes in A000219. A285216

Triangle read by rows: T(n,m) (n >= m >= 1) = number of edges in the graph formed by drawing the line segments connecting any two of the (n+1) X (m+1) lattice points in an n X m grid of squares. A333278

Partial sums of A301692. A301693

Partial sums of A101351. A101352

Smallest k such that the number of composites of the form a² + 1 between two successive primes of this form equals 2n-1. A208132

a(n) = (6·n + 5)¹⁰. A16978

Number of 4Xn integer arrays with each element equal to the number of horizontal and antidiagonal neighbors equal to itself. A266014