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Properties of the Number 72223

Seventy-Two Thousand Two Hundred Twenty-Three

Basics

Value: 72222 → 72223 → 72224

Parity: odd

Prime: Yes

Previous Prime: 72221

Next Prime: 72227

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 72223

Divisors: 1, 72223

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001101000011111

Octal: 215037

Duodecimal: 35967

Hexadecimal: 11a1f

Square: 5216161729

Square Root: 268.7433720112926

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

Prime numbers containing the string 222. A166580
Smaller of a pair of consecutive primes having only prime digits. A82755
a(1) = 1; for n > 1: a(n) = smallest odd number greater than a(n-1) which does not use any digit used by a(n-1). A229364
Prime quadruples: 2nd term. A136720
Prime numbers p such that the set of composite numbers in the range [p+1, nextprime(p)-1] has more than one element and all the elements have the same number of divisors. A332740
Twin primes belonging to packs of four or more twin pairs. A68220
Decimal expansion of unimodal analog of golden section with respect to A072176: a=lim A072176(n)/A072176(n+1). A72223
Indices of primes in sequence defined by A(0) = 73, A(n) = 10·A(n-1) - 7 for n > 0. A101134
Numbers k such that 7·10k + 2·Rk + 1 is prime, where Rk = 11...1 is the repunit (A002275) of length k. A103053
Numbers k with property that 19·k + {2,4,8,10} are two pairs of consecutive twin primes. A152926