Properties of the Number 11140

Eleven Thousand One Hundred Forty

Basics

Value: 11139 → 11140 → 11141

Parity: even

Prime: No

Previous Prime: 11131

Next Prime: 11149

Digit Sum: 7

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 5 × 557

Divisors: 1, 2, 4, 5, 10, 20, 557, 1114, 2228, 2785

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10101110000100

Octal: 25604

Duodecimal: 6544

Hexadecimal: 2b84

Square: 124099600

Square Root: 105.54619841567009

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

Numbers n such that Bernoulli number B_n has denominator 330. A272183

Number of strict integer partitions with sum <= n that can be linearly combined using nonnegative coefficients to obtain n. A365311

Numbers k such that σ(k) = σ(k+12). A15882

G.f. satisfies: A(x) = 1/(1 + x·A(x²)) and also the continued fraction: 1 + x·A(x³) = [1; 1/x, 1/x², 1/x⁴, 1/x⁸, ..., 1/x^{2^(n-1}), ...]. A101912

E.g.f.: ∑_j>=0 4^j * (exp(j·x) - 1)^j. A338040

Triangular matchstick numbers in the class of prime numbers: sum of n-th and next n primes. A105720

O.g.f. A(x) satisfies: [xⁿ] exp( n·x*A(x) ) * (n + 3 - A(x)) = 0 for n > 0. A305113

Partial sums of A365414. A365444

Susceptibility series H₂ for 2-dimensional Ising model (divided by 2). A54275

Indices n such that A134204(n) < n. A133242