Properties of the Number 52639

Fifty-Two Thousand Six Hundred Thirty-Nine

Basics

Value: 52638 → 52639 → 52640

Parity: odd

Prime: Yes

Previous Prime: 52631

Next Prime: 52667

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 52639

Divisors: 1, 52639

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100110110011111

Octal: 146637

Duodecimal: 26567

Hexadecimal: cd9f

Square: 2770864321

Square Root: 229.43190710971305

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

Primes of the form i·prime(i) + (i+1)*prime(i+1). A119487

Smallest prime p of two consecutive primes, p < q, such that gcd(p+1, q+1) = 2n. A67604

a(n) is the largest prime < 8·a(n-1) for n > 1, with a(1) = 2. A126036

Table read by antidiagonals: Place k points in general position on each side of a regular n-gon and join every pair of the n*(k+1) boundary points by a chord; T(n,k) (n >= 3, k >= 0) gives number of vertices in the resulting planar graph. A367183

Positions of records in A205561. A378189

Primes whose digit reversal is a pentagonal number (A000326). A115706

Primes p such that 12·p³+-1 are twin primes. A158297

a(n) is the shyest prime in base n. A272043

Number of maximum matchings in the n-Mycielski graph. A297529

E.g.f. (1-2x)/(1-2x-x³). A52639