Properties of the Number 20054

Twenty Thousand Fifty-Four

Basics

Value: 20053 → 20054 → 20055

Parity: even

Prime: No

Previous Prime: 20051

Next Prime: 20063

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 × 37 × 271

Divisors: 1, 2, 37, 74, 271, 542, 10027, 20054

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 100111001010110

Octal: 47126

Duodecimal: B732

Hexadecimal: 4e56

Square: 402162916

Square Root: 141.61214637170076

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

a(n) = prime(n)³ - prime(n) * prime(n²). A291542

Expansion of -x*(x²+1)*(x+1)²/((2·x³+x²-1)*(x⁴+1)). A107852

a(n) = 15·n² - 13·n. A263226

Numbers n such that p1=2n+3, p2=4n+5, p3=6n+7 and p4=8n+9 are all prime. A105653

A generalized Fibonacci sequence. A1584

Probable extension of A013704. A25495

s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = A000201 (lower Wythoff sequence), t = A001950 (upper Wythoff sequence). A24686

s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = A000201 (lower Wythoff sequence), t = A001950 (upper Wythoff sequence). A25119

Composite numbers k such that k' is a sum of distinct primorial numbers, where k' stands for the arithmetic derivative of k, A003415. A369641

a(n) = floor(γ(n+6/11)/γ(6/11)). A20054