Properties of the Number 40290

Forty Thousand Two Hundred Ninety

Basics

Value: 40289 → 40290 → 40291

Parity: even

Prime: No

Previous Prime: 40289

Next Prime: 40343

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 5 × 17 × 79

Divisors: 1, 2, 3, 5, 6, 10, 15, 17, 30, 34

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001110101100010

Octal: 116542

Duodecimal: 1B396

Hexadecimal: 9d62

Square: 1623284100

Square Root: 200.723690679501

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 (w,x,y,z) with all terms in {1,...,n} and w³>x³+y³+z³. A212099

a(n) = numerator of constant λ(n) involved in a recurrence for the Atkin polynomials A_k(j). A145226

G.f. satisfies A(x) = 1 - x³ + x·A(x)³. A367046

Numbers k such that the sum of the numbers from 1 to k and that from 1 to k+1 share the same sum of divisors. A375819

Numbers k such that 10^k - 801 is prime. A271618

Numbers k such that k^{k + 1} == k + 1 (mod 2·k + 1) while 2·k+1 is not prime. A380831

Continued fraction for sqrt(308). A40290