Properties of the Number 395

Three Hundred Ninety-Five

Basics

Value: 394 → 395 → 396

Parity: odd

Prime: No

Previous Prime: 389

Next Prime: 397

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 5 × 79

Divisors: 1, 5, 79, 395

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110001011

Octal: 613

Duodecimal: 28B

Hexadecimal: 18b

Square: 156025

Square Root: 19.87460691435179

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 integer partitions of n with distinct differences between successive parts. A325325

First differences of A006128. A138137

Number of partitions with no even part repeated; partitions of n in which no parts are multiples of 4. A1935

a(n) = 10·n + 5. A17329

Sums of three consecutive primes. A34961

Number of partitions of n such that no part is a sum of two other parts. A236912

Triangle read by rows where T(n,k) is the number of compositions of n > 0 with runs-resistance k, 0 <= k <= n - 1. A329744

a(n) = 8n + 3. A17101

Positions of the digit '1' in the decimal expansion of π. A37000

Numbers m such that the Bernoulli number B_2·m has denominator 66. A51229