Properties of the Number 87392

Eighty-Seven Thousand Three Hundred Ninety-Two

Basics

Value: 87391 → 87392 → 87393

Parity: even

Prime: No

Previous Prime: 87383

Next Prime: 87403

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 ⁵ × 2731

Divisors: 1, 2, 4, 8, 16, 32, 2731, 5462, 10924, 21848

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10101010101100000

Octal: 252540

Duodecimal: 426A8

Hexadecimal: 15560

Square: 7637361664

Square Root: 295.62137947043004

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

Numbers k such that A003313(k) = A003313(6·k). A116461

G.f. A(x) satisfies: 4·x = ∑_n=-oo..+oo (-1)ⁿ * x^n*(n+1/2) * A(x)ⁿ. A355354

a(n) = n*(8·n² + 1)/3. A143166

Number of subsets of {1,2,3,...,n} that sum to 0 mod 6. A68012

Numbers n such that A003313(3n) < A003313(n). A104699

Number of subsets of {1,2,3,...,n} that sum to 0 mod 12. A68033

a(1) = 1, a(n) = smallest multiple of n beginning with the digit reversal of a(n-1). A87392

Least primes p1 such that gap between p1 and p2=nextprime(p1) contains no semiprimes. Gap is 1 for n=0 (first term) and 2n for n=1..30. A136344