Properties of the Number 72148

Seventy-Two Thousand One Hundred Forty-Eight

Basics

Value: 72147 → 72148 → 72149

Parity: even

Prime: No

Previous Prime: 72139

Next Prime: 72161

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 17 × 1061

Divisors: 1, 2, 4, 17, 34, 68, 1061, 2122, 4244, 18037

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001100111010100

Octal: 214724

Duodecimal: 35904

Hexadecimal: 119d4

Square: 5205333904

Square Root: 268.6037974415105

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) is the number of non-isomorphic flexible magmas with n elements (i.e., number of magmas with n elements which satisfy the identity (xy)x = x(yx) for all·and y). A350873

Number of invertible (-1,0,1) n X n matrices having (Tij = -Tji; i<j) such that all T^k (k= 1..12) are also (-1,0,1) matrices. A72148