Properties of the Number 18149

Eighteen Thousand One Hundred Forty-Nine

Basics

Value: 18148 → 18149 → 18150

Parity: odd

Prime: Yes

Previous Prime: 18143

Next Prime: 18169

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 18149

Divisors: 1, 18149

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100011011100101

Octal: 43345

Duodecimal: A605

Hexadecimal: 46e5

Square: 329386201

Square Root: 134.71822445385777

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

Lower prime of a difference of 20 between consecutive primes. A31938

Primes of the form 6n² - 1. A90686

Primes p whose period of reciprocal equals (p-1)/13. A98680

Numbers that can be written in exactly two different ways as s₁^x_1 + ... + s_t^x_t, with 1 < s₁ < ... < s_t and {s₁,..., s_t} = {x₁,..., x_t} for some t > 0. A386966

First term of strong prime quintets: p(m+1)-p(m) > p(m+2)-p(m+1) > p(m+3)-p(m+2) > p(m+4)-p(m+3). A54808

Primes of the form m*(m+1)/2 + 4. A159048

Supersingular primes of the elliptic curve X₀ (11). A6962

Primes resulting from procedure described in A048388. A48389

Primes congruent to 23 mod 53. A142553

Primes p such that both π(p) and the concatenation of π(p) and p are prime, where π is the prime counting function. A155032