Properties of the Number 80057

Eighty Thousand Fifty-Seven

Basics

Value: 80056 → 80057 → 80058

Parity: odd

Prime: No

Previous Prime: 80051

Next Prime: 80071

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 223 × 359

Divisors: 1, 223, 359, 80057

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10011100010111001

Octal: 234271

Duodecimal: 3A3B5

Hexadecimal: 138b9

Square: 6409123249

Square Root: 282.9434572489705

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 secondary structures of size n having k stacks of length 3. A202843

a(n) = floor(log(A111288(n))). A111388

Triangle of Stirling numbers of the second kind, S2(n,k), n >= 1, 1 <= k <= n. A8277

Triangle of Eulerian numbers T(n,k) (n >= 1, 1 <= k <= n) read by rows. A8292

Triangle read by rows of Stirling numbers of first kind, s(n,k), n >= 1, 1 <= k <= n. A8275

Eulerian numbers (Euler's triangle: column k=3 of A008292, column k=2 of A173018). A460

Coefficient of x⁵ in expansion of (1 + x + x²)ⁿ. A574

Eulerian numbers (Euler's triangle: column k=4 of A008292, column k=3 of A173018). A498

Eulerian numbers (Euler's triangle: column k=5 of A008292, column k=4 of A173018). A505

Eulerian numbers (Euler's triangle: column k=6 of A008292, column k=5 of A173018). A514