Properties of the Number 9023

Nine Thousand Twenty-Three

Basics

Value: 9022 → 9023 → 9024

Parity: odd

Prime: No

Previous Prime: 9013

Next Prime: 9029

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 7 × 1289

Divisors: 1, 7, 1289, 9023

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 10001100111111

Octal: 21477

Duodecimal: 527B

Hexadecimal: 233f

Square: 81414529

Square Root: 94.98947310097051

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(1) = 7, a(n) = least k such that concatenation of n copies of k with all previous concatenation gives a prime. A111475

Start with 1015 and repeatedly reverse the digits and add 4 to get the next term. A117807

Smallest k such that 6ⁿ+k, 6ⁿ+k+g, 6ⁿ+k+2·g are consecutive primes in arithmetic progression. A233546

The number of edges formed by straight line segments mutually connecting all vertices of a semicircular polygon defined in A333642. A330911

Sum of the first n Sophie Germain primes. A66819

Values of 16·n²+24·n+7, n>=0, each duplicated. A173294

Number of compositions of n having exactly three fixed points. A240738

Triangle read by rows where T(n,k) is the number of non-isomorphic k-element multisets of nonempty multisets of nonempty multisets (all finite). A330472

Number of binary strings u of any length with property that length(u) + number of 0's in u <= n (only one of a string and its reversal are counted). A66067

Numbers whose concatenation of prime factors (with multiplicity) is a square. A38693