Properties of the Number 72504

Seventy-Two Thousand Five Hundred Four

Basics

Value: 72503 → 72504 → 72505

Parity: even

Prime: No

Previous Prime: 72503

Next Prime: 72533

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ³ × 3 ² × 19 × 53

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 18, 19

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10001101100111000

Octal: 215470

Duodecimal: 35B60

Hexadecimal: 11b38

Square: 5256830016

Square Root: 269.2656680678025

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) = prime(n)³ - prime(n³). A262199

Number of 3 X 3 semimagic squares with distinct positive values and magic sum n. A173547

Numbers which divide the concatenation, in ascending order, of their anti-divisors. A249764

q(n) = σ(n) - n, where q(n) = n + e(n) + e(n-e(n)) and e(n) = n - eulerphi(n). A63935

Partial sums of number of different shapes formed by bending a piece of wire of length n in the plane A066372. A178937

Number of tilings of a 3 X n strip with dominos and U-shaped pentominos. A385242

a(n) = LCM of divisors of n which are <= sqrt(n). A72504

G.f. satisfies: a(n) = [xⁿ] ( A(x)ⁿ + 1/A(x)ⁿ ) for n>1, with a(0)=a(1)=1. A237644