Properties of the Number 351

Three Hundred Fifty-One

Basics

Value: 350 → 351 → 352

Parity: odd

Prime: No

Previous Prime: 349

Next Prime: 353

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 13

Divisors: 1, 3, 9, 13, 27, 39, 117, 351

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101011111

Octal: 537

Duodecimal: 253

Hexadecimal: 15f

Square: 123201

Square Root: 18.734993995195193

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

Triangular numbers: a(n) = binomial(n+1,2) = n*(n+1)/2 = 0 + 1 + 2 + ... + n. A217

Padovan sequence (or Padovan numbers): a(n) = a(n-2) + a(n-3) with a(0) = 1, a(1) = a(2) = 0. A931

Numbers whose base-3 representation contains no 2. A5836

Number of compositions (ordered partitions) of n into distinct parts. A32020

Number of necklaces of sets of beads containing a total of n beads. A8965

Second hexagonal numbers: a(n) = n*(2·n + 1). A14105

Number of rooted trees with n vertices in which vertices at the same level have the same degree. A3238

a(0) = 0, a(1) = a(2) = a(3) = 1; thereafter, a(n) = a(n-1) + a(n-2) + a(n-4). A5251

Numbers whose prime indices are inseparable. A335448

Numbers that are products of 4 primes. A14613