Properties of the Number 78163

Seventy-Eight Thousand One Hundred Sixty-Three

Basics

Value: 78162 → 78163 → 78164

Parity: odd

Prime: Yes

Previous Prime: 78157

Next Prime: 78167

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 78163

Divisors: 1, 78163

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10011000101010011

Octal: 230523

Duodecimal: 39297

Hexadecimal: 13153

Square: 6109454569

Square Root: 279.57646539006106

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 every element equal to 1, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero. A298454

Numbers k such that in k and k² the parity of digits alternates. A30153

Primes p for which pⁱ + 4 is prime for i = 1, 3 and 5. A243780

Prime Friedman numbers. A112419

Prime numbers ending in the prime number 163. A167627

Minimal number (in decimal representation) with n nonprime substrings in base-5 representation (substrings with leading zeros are considered to be nonprime). A217105

Number of nX4 0..1 arrays with every element equal to 1, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero. A298450

a(n) = A051201(n²). A78163