Properties of the Number 90056

Ninety Thousand Fifty-Six

Basics

Value: 90055 → 90056 → 90057

Parity: even

Prime: No

Previous Prime: 90053

Next Prime: 90059

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ³ × 11257

Divisors: 1, 2, 4, 8, 11257, 22514, 45028, 90056

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101111111001000

Octal: 257710

Duodecimal: 44148

Hexadecimal: 15fc8

Square: 8110083136

Square Root: 300.0933188193299

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 Dyck bridges with resets to zero from (0,0) to (n,0). A369316

a(n) = 2^2·n+1 - binomial(2·n+1, n+1). A346

a(n) = (2·n+3)!/(6·n!*(n+1)!). A2802

E.g.f.: exp(-2·x) / (1-x)². A87981

Smallest prime congruent to 1 (mod prime(n)). A35095

Number of rooted maps with n edges on torus. A6300

The Jacobsthal function g(n): maximal gap in a list of all the integers relatively prime to n. A48669

Number of rooted genus-2 maps with n edges. A6301

Number of genus 2 rooted maps with 1 face with n vertices. A6298

Triangle read by rows giving number of ways to glue sides of a 2n-gon so as to produce a surface of genus g. A35309