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Properties of the Number 23873

Twenty-Three Thousand Eight Hundred Seventy-Three

Basics

Value: 23872 → 23873 → 23874

Parity: odd

Prime: Yes

Previous Prime: 23869

Next Prime: 23879

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 23873

Divisors: 1, 23873

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101110101000001

Octal: 56501

Duodecimal: 11995

Hexadecimal: 5d41

Square: 569920129

Square Root: 154.50889942006577

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 form n2 + n + 3. A27753
Primes of the form k(k+1)/2+2 (i.e., two more than a triangular number). A55472
Number of acute triangles, distinct up to congruence, on an n X n grid (or geoboard). A190021
Number of equivalence classes of convex lattice polygons of genus n, restricting the count to those polygons that are interior to another polygon. A322344
Numbers k such that the continued fraction for sqrt(k) has period 63. A20402
a(1)=2; thereafter, a(n) is the smallest prime not yet used which is compatible with the condition that a(n) is a quadratic residue modulo a(k) for the next n indices k = n+1, n+2, ..., 2n. A249782
Number of nX3 0..1 arrays with every element unequal to 0, 1, 3, 4 or 6 king-move adjacent elements, with upper left element zero. A304539
Primes p equal to the sum of two successive sexy primes + 1 such that p + 6 is also prime. A104043
a(n) = a(n-1)+a(n-2)-a(n-3)+a(n-5), n>7. A107287
Primes of the form 2k2 + k + 2. A249606