Properties of the Number 72173

Seventy-Two Thousand One Hundred Seventy-Three

Basics

Value: 72172 → 72173 → 72174

Parity: odd

Prime: Yes

Previous Prime: 72169

Next Prime: 72211

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 72173

Divisors: 1, 72173

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001100111101101

Octal: 214755

Duodecimal: 35925

Hexadecimal: 119ed

Square: 5208941929

Square Root: 268.650330355278

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

Primes p such that q - p = 38, where q is the next prime after p. A134118

a(1)=433640083; a(n+1)= the largest prime factor of a(n)+b(n)+c(n), where a(n)<b(n)<c(n) and a(n),b(n) and c(n) are three consecutive primes. A117631

Primes in A166448. A166449

Primes that are the sum of the squares of three integers that form an arithmetic sequence with difference 7. A227994

Number of ways to place zero or more nonadjacent 0,0 1,0 1,1 2,0 3,1 polyhexes in any orientation on a planar nXnXn triangular grid. A155234

a(n) = (2·n+1)*239^2·n+1. A72173

Numbers n such that 11·3ⁿ + 2 is prime. A84124