Properties of the Number 72389

Seventy-Two Thousand Three Hundred Eighty-Nine

Basics

Value: 72388 → 72389 → 72390

Parity: odd

Prime: No

Previous Prime: 72383

Next Prime: 72421

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 191 × 379

Divisors: 1, 191, 379, 72389

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001101011000101

Octal: 215305

Duodecimal: 35A85

Hexadecimal: 11ac5

Square: 5240167321

Square Root: 269.05203957598985

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

Extra strong Lucas pseudoprimes. A217719

a(n) is the number of multisets with n primes with which an n-gon with perimeter prime(n) can be formed. A376348

Numbers of the form p·q, p and q prime with q=2p-3. A226755

Numbers of the form x*(x+1) * y*(y+1) ("bipronics") with·and y nonnegative integers. A72389