Properties of the Number 18401

Eighteen Thousand Four Hundred One

Basics

Value: 18400 → 18401 → 18402

Parity: odd

Prime: Yes

Previous Prime: 18397

Next Prime: 18413

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 18401

Divisors: 1, 18401

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100011111100001

Octal: 43741

Duodecimal: A795

Hexadecimal: 47e1

Square: 338596801

Square Root: 135.6502856613284

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 in A065387 in the order of their appearance. A229264

Primes expressible as the sum of (at least two) consecutive primes in at least 3 ways. A67379

Expansion of (1-x)/(1-2·x+2·x²+x³). A78004

Position where 10ⁿ-1 occurs in the Kaprekar sequence A006886. A193992

Primes p such that x⁵ = 2 has a solution mod p, but x^5² = 2 has no solution mod p. A70182

Primes p such that the multiplicative order of 2 modulo p is (p-1)/10. A152310

a(n) = 46·n² + 1. A158632

Prime-generating polynomial: a(n) = 16·n² - 292·n + 1373. A181969

The value of C in y = x²+11x+C such that y is prime for all x = 0 to 6. A97458

Primes congruent to 10 mod 53. A142540