Properties of the Number 432

Four Hundred Thirty-Two

Basics

Value: 431 → 432 → 433

Parity: even

Prime: No

Previous Prime: 431

Next Prime: 433

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 2 ⁴ × 3 ³

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110110000

Octal: 660

Duodecimal: 300

Hexadecimal: 1b0

Square: 186624

Square Root: 20.784609690826528

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: Yes

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

Least integer of each prime signature A124832; also products of primorial numbers A002110. A25487

Powerful numbers, definition (1): if a prime p divides n then p² must also divide n (also called squareful, square full, square-full or 2-powerful numbers). A1694

Average of twin prime pairs. A14574

3-smooth numbers: numbers of the form 2ⁱ*3^j with i, j >= 0. A3586

Numbers all of whose prime divisors are consecutive primes starting at 2. A55932

a(n) = ∑_{d divides n} q(d), where q(d) = A000009 = number of partitions of d into distinct parts. A47966

Triangle of coefficients of Chebyshev's T(n,x) polynomials (powers of·in increasing order). A53120

Number of ways of writing n as a sum of 4 squares; also θ series of four-dimensional cubic lattice Z⁴. A118

Powerful numbers (A001694) that are not prime powers (A000961). A286708

Numbers that are the sum of 2 positive cubes. A3325