Properties of the Number 22993

Twenty-Two Thousand Nine Hundred Ninety-Three

Basics

Value: 22992 → 22993 → 22994

Parity: odd

Prime: Yes

Previous Prime: 22973

Next Prime: 23003

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 22993

Divisors: 1, 22993

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101100111010001

Octal: 54721

Duodecimal: 11381

Hexadecimal: 59d1

Square: 528678049

Square Root: 151.63442880823604

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

Smallest prime (or noncomposite) strictly greater than sum of previous terms (with a(0)=1). A64934

Primes having only {2, 3, 9} as digits. A260128

Prime p1 of consecutive primes p1, p2, where p2-p1=10, and p1, p2 are in different centuries. A160500

Partial sums of cuban primes A002407, that is, primes equal to the difference of two consecutive cubes. A221793

Sorted list of prime factors of numbers of the form 5^{2^m} + 2^{2^m} with m >= 0. A294133

Let p = n-th irregular prime, A000928(n). Then a(n) = smallest value of m such that numerator(Bernoulli(2·m)/(2·m)) / numerator(Bernoulli(2·m)/(2·m*(2·m-1))) equals p. A92291

a(n) is the largest prime factor of 2ⁿ + 5ⁿ. A337429

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted then there are a pair of central terms both equal to 9. A31422

Second term p(m) of strong prime sextets: p(m)-p(m-1) > p(m+1)-p(m) > p(m+2)-p(m+1) > p(m+3)-p(m+2) > p(m+4)-p(m+3). A54814

Number of primes between n and 2ⁿ exclusive. A284275