Properties of the Number 23039

Twenty-Three Thousand Thirty-Nine

Basics

Value: 23038 → 23039 → 23040

Parity: odd

Prime: Yes

Previous Prime: 23029

Next Prime: 23041

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 23039

Divisors: 1, 23039

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101100111111111

Octal: 54777

Duodecimal: 113BB

Hexadecimal: 59ff

Square: 530795521

Square Root: 151.78603361310948

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 sequence of asymptotic density ζ(10) - 1, where ζ is the Riemann ζ function. A143036

Primes of the form 10·k² - 1. A143828

Primes p such that there is no Carmichael number pqr, p<q<r q, r primes. A51663

Primes p such that 5 is the largest of all prime factors of the numbers between p and the next prime (cf. A052248). A80185

Primes of the form 2·n²+26·n+11. A243888

Primes p dividing every A167859(m) from m=(p-1)/2 to m=(p-1). A167860

The first member of a twin prime pair whose sum equals the sums of two consecutive smaller pairs of twin primes. A225943

Total number of 1's in all (binary) max-heaps on n elements from the set {0,1}. A309052

a(n) = A230624(n)/2. A349821

Smallest initial value k that reaches 1 in n steps when iterating the map m -> rad(m)-1, where rad(m) is the squarefree kernel of m (A007947). A75426