Properties of the Number 20053

Twenty Thousand Fifty-Three

Basics

Value: 20052 → 20053 → 20054

Parity: odd

Prime: No

Previous Prime: 20051

Next Prime: 20063

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 11 × 1823

Divisors: 1, 11, 1823, 20053

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 100111001010101

Octal: 47125

Duodecimal: B731

Hexadecimal: 4e55

Square: 402122809

Square Root: 141.60861555710514

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

Discriminants of real quadratic fields with class number 1 and related continued fraction period length of 24. A51965

a(n) = ∑_{1 <= i, j, k <= n} gcd(i,j,k). A344522

Sum of median parts of all partitions of n into an odd number of parts. A211373

Numbers k such that k + σ(k) + σ(σ(k)) is a square. A116014

Triangle of number of rises in restricted growth strings (RGS) for the set partitions of n. A56858

Expansion of ∏_{i>=2, j>=2} (1 + x^i·j)^j. A326831

Number of binary reversal primes less than 10ⁿ. A74831

Consider a number n with m decimal digits. The sequence lists the numbers n having the suffix of length m-1 in the middle of the decimal expansion of prime(n). A242957

Numbers k such that k, k+1, k+2, k+3 have 2, 3, 4, 5 prime factors respectively, counted with multiplicity. A363391

Squarefree semiprimes k such that k+1 is the product of three distinct primes and k+2 is the product of four distinct primes. A376352