Properties of the Number 87418

Eighty-Seven Thousand Four Hundred Eighteen

Basics

Value: 87417 → 87418 → 87419

Parity: even

Prime: No

Previous Prime: 87407

Next Prime: 87421

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 109 × 401

Divisors: 1, 2, 109, 218, 401, 802, 43709, 87418

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10101010101111010

Octal: 252572

Duodecimal: 4270A

Hexadecimal: 1557a

Square: 7641906724

Square Root: 295.6653513687392

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

a(n) = a(n-2) + 2^n-1 + 5 for n>3, a(0..3) = (0,1,2,7). A147672

Numbers k such that sopfr(k) = τ(k)³. A305349

Consider pairs (p,k) such that p is a prime, q and r are the two primes following p, 0<k<q and k·primorial(p)+q and k·primorial(p)+r are consecutive primes; sequence gives values of p. A87418