Properties of the Number 53066

Fifty-Three Thousand Sixty-Six

Basics

Value: 53065 → 53066 → 53067

Parity: even

Prime: No

Previous Prime: 53051

Next Prime: 53069

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 13 ² × 157

Divisors: 1, 2, 13, 26, 157, 169, 314, 338, 2041, 4082

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100111101001010

Octal: 147512

Duodecimal: 26862

Hexadecimal: cf4a

Square: 2816000356

Square Root: 230.36058690670154

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) = a(1) + a(2) + ... + a(n-1) + a(m) for n >= 4, where m = 2^p+1 + 2 - n and p is the unique integer such that 2^p < n - 1 <= 2^p+1, starting with a(1) = a(2) = 1 and a(3) = 2. A49937

Number of positive integers <= 10ⁿ that are divisible by no prime exceeding 5. A106598

Numbers n such that the multiplicative group of integers modulo n is isomorphic to C_m X C_m, m > 1. A305236

a(n) = n*(2^n-1 - n - 1). A342482

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 18. A31606

a(1) = 0; thereafter a(n) = (a(n-1)²+1) mod n. A330405

Alternately append n-th prime to end or beginning of previous term. A53066