Properties of the Number 72613

Seventy-Two Thousand Six Hundred Thirteen

Basics

Value: 72612 → 72613 → 72614

Parity: odd

Prime: Yes

Previous Prime: 72577

Next Prime: 72617

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 72613

Divisors: 1, 72613

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001101110100101

Octal: 215645

Duodecimal: 36031

Hexadecimal: 11ba5

Square: 5272647769

Square Root: 269.4679943889441

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) = ∑_{x₁∣n, x₂∣n, ... , x_n∣n} gcd(x₁,x₂, ... ,x_n). A344140

Primes having square prime gaps to both neighbor primes. A353088

Number of numbers of the form p·q (p, q distinct primes) less than or equal to n. A72613

G.f. satisfies: A(x) = 1 + x·A(x·A(x·A(x·A(x*...x·A(x*...)ⁿ...)⁴)³)²)¹. A190633