Properties of the Number 53620

Fifty-Three Thousand Six Hundred Twenty

Basics

Value: 53619 → 53620 → 53621

Parity: even

Prime: No

Previous Prime: 53617

Next Prime: 53623

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 5 × 7 × 383

Divisors: 1, 2, 4, 5, 7, 10, 14, 20, 28, 35

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101000101110100

Octal: 150564

Duodecimal: 27044

Hexadecimal: d174

Square: 2875104400

Square Root: 231.55992744859807

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

Binary encoding of quadratic residue set formed for n-th prime, coerced to "complementarily symmetric binary sequence" with A080261 if the prime is of the form 4k+1. A80117

Partial sums of A001935; at one time this was conjectured to agree with A007478. A14605

n written in fractional base 7/5. A24642

Number of n X 2 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..2 n X 2 array. A219211

Triangle T(n,k) read by rows: coefficients of polynomials P_n(t) defined in Formula section. A286796

Number of 4Xn 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 1 1 and 1 1 0 vertically. A207886

a(n) = ∑_i=1..n prime(n*(i - 1) + i). A319012

∏_n>=1 (1 + xⁿ)^a(n) = 1 + ∑_n>=1 μ(n)*xⁿ, where μ = A008683. A353927

Number of compositions of n into Fibonacci number of parts. A103197

Numbers k such that 1 + ∑_i=1..k floor(k/i)*(2ⁱ) is a prime number. A344783