Properties of the Number 72229

Seventy-Two Thousand Two Hundred Twenty-Nine

Basics

Value: 72228 → 72229 → 72230

Parity: odd

Prime: Yes

Previous Prime: 72227

Next Prime: 72251

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 72229

Divisors: 1, 72229

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10001101000100101

Octal: 215045

Duodecimal: 35971

Hexadecimal: 11a25

Square: 5217028441

Square Root: 268.7545348454608

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

a(n) = 3·a(n-1) + 4·a(n-2) + a(n-3) with a(0)=3, a(1)=3, a(2)=17. A215076

Prime numbers containing the string 222. A166580

Primes having only {2, 7, 9} as digits. A261182

Last term of prime quadruples. A90258

Prime in the middle of a list of 7 consecutive primes such that each of them is a member of a twin pair. A227063

Twin primes belonging to packs of four or more twin pairs. A68220

Start with 1 and repeatedly reverse the digits and add 42 to get the next term. A118075

Prime(k) such that each of the three preceding and also each of the three following primes are twin primes. A227323

Witt index of the standard bilinear form <1,1,1,...,1> over the 2-adic rationals. A72229

Indices of primes in sequence defined by A(0) = 79, A(n) = 10·A(n-1) - 61 for n > 0. A101136