Properties of the Number 68115

Sixty-Eight Thousand One Hundred Fifteen

Basics

Value: 68114 → 68115 → 68116

Parity: odd

Prime: No

Previous Prime: 68113

Next Prime: 68141

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 19 × 239

Divisors: 1, 3, 5, 15, 19, 57, 95, 239, 285, 717

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000101000010011

Octal: 205023

Duodecimal: 33503

Hexadecimal: 10a13

Square: 4639653225

Square Root: 260.98850549401595

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 that are the sum of six fourth powers in exactly six ways. A345818

(1/4) * number of ways to select 3 distinct points forming a triangle of unsigned area = n/2 from a square of grid points with side length n. A320310

Numbers k such that (5^k + 2^k - 1)/12 is prime. A155802

List of subwords of A003842 arranged in lexicographic order. A213975

Primes p such that A001175(p) = (p-1)/6. A308791

Continued fraction expansion for cos(1). A68115

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of B(x)^k, where B(x) is the g.f. of A384680. A384681