Properties of the Number 72448

Seventy-Two Thousand Four Hundred Forty-Eight

Basics

Value: 72447 → 72448 → 72449

Parity: even

Prime: No

Previous Prime: 72431

Next Prime: 72461

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ⁸ × 283

Divisors: 1, 2, 4, 8, 16, 32, 64, 128, 256, 283

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001101100000000

Octal: 215400

Duodecimal: 35B14

Hexadecimal: 11b00

Square: 5248712704

Square Root: 269.16166146017156

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) = n³ + 2·n² + 4·n + 1. A270867

a(n) = n*(n + 5)*(n + 7)*(n + 10)/24 + 1. A323220

Number of 1:4:sqrt(17) proportioned triangles on a (n+1) X (n+1) grid. A189884

p-INVERT of (1,1,0,0,0,0,...), where p(S) = 1 - S² - S⁴. A291400

Revert transform of (1 - x - 2x² + x³)/(1 - 2x²). A49139

Squares of the terms of the decimal expansion of π. A72448

Number of 4Xn 0..2 arrays with no element unequal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. A280402