Properties of the Number 72944

Seventy-Two Thousand Nine Hundred Forty-Four

Basics

Value: 72943 → 72944 → 72945

Parity: even

Prime: No

Previous Prime: 72937

Next Prime: 72949

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ⁴ × 47 × 97

Divisors: 1, 2, 4, 8, 16, 47, 94, 97, 188, 194

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10001110011110000

Octal: 216360

Duodecimal: 36268

Hexadecimal: 11cf0

Square: 5320827136

Square Root: 270.08146919031674

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

Numbers k whose deficiency is 64: 2k - σ(k) = 64. A275997

Greatest number m such that the fractional part of e^A091560(m) >= 1-(1/m). A153707

Greatest number m such that the fractional part of e^A153704(n) >= 1-(1/m). A153708

a(n) = n*(14·n² - 21·n + 13)/6. A71229

Triangle read by rows, 1 <= k <= n: T(n,k) is the number of (unlabeled) connected graphs with n nodes and zero forcing number k. A343648

a(n) is the smallest positive number k coprime to (2n+1)!! such that (2n+1)!! + k² is a square. A348635

a(1)=2, a(n+1) = 2·a(n) - φ(a(n)) where φ is the Euler totient function A000010. A72944