Properties of the Number 72073

Seventy-Two Thousand Seventy-Three

Basics

Value: 72072 → 72073 → 72074

Parity: odd

Prime: Yes

Previous Prime: 72053

Next Prime: 72077

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 72073

Divisors: 1, 72073

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001100110001001

Octal: 214611

Duodecimal: 35861

Hexadecimal: 11989

Square: 5194517329

Square Root: 268.4641503068892

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 of the form 3·m² - 2. A201715

Fifth diagonal of triangle A064094. A64096

Primes of form n.0.n+1, where '.' represents concatenation. Or, primes of form 10^k+1*n + n + 1, where k is the number of digits in n. A96525

(Product of successive primes minus 2) divided by 3 is prime. A124670

Centered heptagonal prime numbers. A144974

The sequence S is to be strictly increasing, all first differences are to be distinct and not yet present in S, and a(n+1) is to be the smallest integer such that |a(n)-a(n+1)| divides the concatenation [a(n),a(n+1)]. A173065

Composite numbers of the form A242489(n) - 3. A242716

Number of solutions to cototient(x) = A051953(x) = 2ⁿ. A72073