Properties of the Number 72047

Seventy-Two Thousand Forty-Seven

Basics

Value: 72046 → 72047 → 72048

Parity: odd

Prime: Yes

Previous Prime: 72043

Next Prime: 72053

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 72047

Divisors: 1, 72047

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001100101101111

Octal: 214557

Duodecimal: 3583B

Hexadecimal: 1196f

Square: 5190770209

Square Root: 268.41572234129654

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

Smallest emirp corresponding to the prime of A178583. A178584

Primes p such that if q is the next prime, the sum (with multiplicity) of prime factors of p² + q² is a square. A359443

Numbers k such that 66^k - 65^k is prime. A62632

Number of prime factors of the squarefree numbers: ω(A005117(n)). A72047