Properties of the Number 23993

Twenty-Three Thousand Nine Hundred Ninety-Three

Basics

Value: 23992 → 23993 → 23994

Parity: odd

Prime: Yes

Previous Prime: 23981

Next Prime: 24001

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 23993

Divisors: 1, 23993

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 101110110111001

Octal: 56671

Duodecimal: 11A75

Hexadecimal: 5db9

Square: 575664049

Square Root: 154.8967397978408

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

Right-truncatable primes: every prefix is prime. A24770

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

T(n,n+3), T given by A027960. A27963

Prime p1 of consecutive primes p1, p2, where p2 - p1 = 8, and p1, p2 are in different centuries. A287049

Primes dividing terms of A231830. A362252

Primes of the form abs(1/(36)(n⁶ - 126n⁵ + 6217n⁴ - 153066n³ + 1987786n² - 13055316n + 34747236)) in order of increasing nonnegative n. A272555

Square array read by antidiagonals upwards: M(n,k) is the initial occurrence of first prime p1 of consecutive primes p1, p2, where p2 - p1 = 2·k, and p1, p2 span a multiple of 10ⁿ, n>=1, k>=1. A287050

Number of coprime chains with largest member prime(n). A3140

Eighth prime p such that (p+n)²+n is prime but (p+j)²+j is not prime for all 0<j<n. A238680

Primes p such that 2·p+q and 2·p+r are prime, where q and r are the next two primes after p. A340225