Properties of the Number 68704

Sixty-Eight Thousand Seven Hundred Four

Basics

Value: 68703 → 68704 → 68705

Parity: even

Prime: No

Previous Prime: 68699

Next Prime: 68711

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ⁵ × 19 × 113

Divisors: 1, 2, 4, 8, 16, 19, 32, 38, 76, 113

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000110001100000

Octal: 206140

Duodecimal: 33914

Hexadecimal: 10c60

Square: 4720239616

Square Root: 262.114478806494

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 n such that 4ⁿ+3^n-1 is prime. A93717

Total number of parts coprime to n in the partitions of n into 8 parts. A363326

Numbers n such that n divides the (left) concatenation of all numbers <= n written in base 17 (most significant digit on right and removing all least significant zeros before concatenation). A29534

Number of nX5 0..1 arrays with every element unequal to 0, 2, 3 or 4 king-move adjacent elements, with upper left element zero. A303885

T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 2, 3 or 4 king-move adjacent elements, with upper left element zero. A303888

a(n) = smallest prime obtained as the concatenation of n^k, n^k-1, n^k-2, ..., n², n, 1 for some k >= 1; or 0 if no such prime exists. A68704