Properties of the Number 248

Two Hundred Forty-Eight

Basics

Value: 247 → 248 → 249

Parity: even

Prime: No

Previous Prime: 241

Next Prime: 251

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ³ × 31

Divisors: 1, 2, 4, 8, 31, 62, 124, 248

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11111000

Octal: 370

Duodecimal: 188

Hexadecimal: f8

Square: 61504

Square Root: 15.748015748023622

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

Number of partitions of n into an odd number of parts. A27193

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

Refactorable numbers: number of divisors of k divides k. Also known as τ numbers. A33950

Numbers whose prime indices are inseparable. A335448

Number of series-reduced planted trees with n nodes. A1678

Numbers that are products of 4 primes. A14613

a(n) = 2ⁿ - n. A325

Positive integers having distinct base-2 run lengths. A44813

Numbers that are not cubefree. Numbers divisible by a cube greater than 1. Complement of A004709. A46099

Balanced numbers: numbers k such that φ(k) (A000010) divides σ(k) (A000203). A20492