Properties of the Number 18457

Eighteen Thousand Four Hundred Fifty-Seven

Basics

Value: 18456 → 18457 → 18458

Parity: odd

Prime: Yes

Previous Prime: 18451

Next Prime: 18461

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 18457

Divisors: 1, 18457

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100100000011001

Octal: 44031

Duodecimal: A821

Hexadecimal: 4819

Square: 340660849

Square Root: 135.85654198455074

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 which yield a prime whenever a 1 is inserted anywhere in them (including at the beginning or end). A69246

Primes of form n² + 1296. A256834

Output of the linear congruential pseudo-random number generator rand() used in Microsoft's Visual C++. A96558

Primes p for which there are exactly as many primes in the range [p², p·nextprime(p)] as there are in the range [p·nextprime(p), nextprime(p)²], where nextprime(p) gives the next prime after prime p. A256472

G.f.: ∑_k>=1 (k² * x^k² / ∏_j=1..k (1 - x^j)). A333141

Exponents in expansion of rank-2 Artin constant product(1-1/(p³-p²), p=prime) as a product ζ(n)^-a(n). A65417

Primes p such that p⁴-p³+1 and p⁴-p³-1 are also primes. A238136

Primes that remain prime through 3 iterations of function f(x) = 8x + 5. A23293

Numerators of values T(m,m) of urn game described in A108885 and A108886. A108883

Primes congruent to 32 mod 67. A154621