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Properties of the Number 402

Four Hundred Two

Basics

Value: 401 → 402 → 403

Parity: even

Prime: No

Previous Prime: 401

Next Prime: 409

Digit Sum: 6

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 67

Divisors: 1, 2, 3, 6, 67, 134, 201, 402

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110010010

Octal: 622

Duodecimal: 296

Hexadecimal: 192

Square: 161604

Square Root: 20.049937655763422

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

Sphenic numbers: products of 3 distinct primes. A7304
Triangle T(n,k) read by rows, giving number of graphs with n nodes (n >= 1) and k edges (0 <= k <= n(n-1)/2). A8406
Number of points on surface of octahedron; also coordination sequence for cubic lattice: a(0) = 1; for n > 0, a(n) = 4n2 + 2. A5899
Number of strict integer partitions of n containing the sum of some subset of the parts. A variation of sum-full strict partitions. A364272
a(n) = n2 + 2. A59100
Infinite sequence starting with a(0)=0 such that A049820(a(k)) = a(k-1) for all k>=1, where A049820(n) = n - (number of divisors of n). A259934
Number of partitions of n into pairwise coprime parts that are >= 2. A7359
Numbers that contain even digits only. A14263
Primitive abundant numbers: abundant numbers (A005101) having no abundant proper divisor. A91191
G.f.: ∏k>=1 (1 + 2·xk). A32302