Properties of the Number 20048

Twenty Thousand Forty-Eight

Basics

Value: 20047 → 20048 → 20049

Parity: even

Prime: No

Previous Prime: 20047

Next Prime: 20051

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ⁴ × 7 × 179

Divisors: 1, 2, 4, 7, 8, 14, 16, 28, 56, 112

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100111001010000

Octal: 47120

Duodecimal: B728

Hexadecimal: 4e50

Square: 401922304

Square Root: 141.59096016342286

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

Triangle T = A007318·A271703; T(n,m)= ∑_i=0..n L'(n,i)*binomial(i,m), m=0..n. A59110

Number of partitions of n into 9 or more distinct parts. A347576

θ series of lattice Kappa₉. A15233

Rectangular array A read by upward antidiagonals in which the entry in row n and column k is defined by A(n,k) = 5 + 9·A005836(2^{k - 1}*(2 n - 1)), n,k >= 1. A265159

T(n,k) is the number of labeled connected posets of n labeled elements with k covering relations (n>=1, k>=0). Triangle read by rows. A342588

Expansion of e.g.f. exp(tanh(x)*log(1+x)). A9269

Nearest integer to log(n!)^{1 + log(1 + log(n})). A62444

Expansion of e.g.f. exp(arctan(x)*log(x+1)). A12396

Expansion of e.g.f. cosh(arcsinh(x)*arctan(x)) (only even powers). A12631

sec(arctanh(x)*arctan(x)) = 1+12/4!*x⁴+20048/8!*x⁸+255870912/12!*x¹²... A12736