Properties of the Number 11020

Eleven Thousand Twenty

Basics

Value: 11019 → 11020 → 11021

Parity: even

Prime: No

Previous Prime: 11003

Next Prime: 11027

Digit Sum: 4

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 5 × 19 × 29

Divisors: 1, 2, 4, 5, 10, 19, 20, 29, 38, 58

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101100001100

Octal: 25414

Duodecimal: 6464

Hexadecimal: 2b0c

Square: 121440400

Square Root: 104.97618777608568

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

Multiples of 4 whose digits add to 4. A63997

T(n,k)=Number of length n+3 0..k arrays with no pair in any consecutive four terms totalling exactly k. A246479

Number of 3-valent trees (= boron trees or binary trees) with n nodes. A672

T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 0 1 1 vertically. A208555

a(n) = prime(n)*prime(n-1) - 1. A23515

Number of maximal sum-free subsets of {1,2,...,n}. A121269

Number of partitions of 2n into distinct parts < n. A231429

Smallest number of each digital type. A266946

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of e.g.f. 1/(1 - k·log(1 + x)). A320080

a(n) is the maximal (or lazy) Pell representation of n using a ternary system of vectors. A352339