Properties of the Number 87397

Eighty-Seven Thousand Three Hundred Ninety-Seven

Basics

Value: 87396 → 87397 → 87398

Parity: odd

Prime: No

Previous Prime: 87383

Next Prime: 87403

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 17 × 53 × 97

Divisors: 1, 17, 53, 97, 901, 1649, 5141, 87397

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10101010101100101

Octal: 252545

Duodecimal: 426B1

Hexadecimal: 15565

Square: 7638235609

Square Root: 295.62983611266304

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

T(n,k)=Number of nXk 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. A281765

Number of solutions to c(1)*prime(3) + ... + c(n)*prime(n+2) = 0, where c(i) = +-1 for i>1, c(1) = 1. A22900

Total number of ON cells in the "Ulam-Warburton" two-dimensional cellular automaton of A147562 after A048645(n) generations. A255264

Indices of Fibonacci numbers in Stern's diatomic series A049456 regarded as a single linear sequence. A94968

Number of 3Xn 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. A281767

Smallest triangular number > 1 and == 1 (mod prime(n)). A87397