Properties of the Number 15085

Fifteen Thousand Eighty-Five

Basics

Value: 15084 → 15085 → 15086

Parity: odd

Prime: No

Previous Prime: 15083

Next Prime: 15091

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 × 7 × 431

Divisors: 1, 5, 7, 35, 431, 2155, 3017, 15085

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11101011101101

Octal: 35355

Duodecimal: 8891

Hexadecimal: 3aed

Square: 227557225

Square Root: 122.8210079750203

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

Numbers k such that σ(k+2) = σ(k). A7373

Numbers whose sum of divisors is a fourth power. A19422

a(n) is the first of a triple of consecutive integers, each of which is the product of three distinct primes. A66509

Triangle read by rows: T(n,k) is number of (n-k) X k matrices, k=0..n, with nonnegative integer entries and every row and column sum <= 2. A131235

Square array read by upward antidiagonals: T(n, k) is the number of n-ary strings of length k containing 00. A340156

Number of odd-length twice-partitions of n into partitions with all odd parts. A358823

a(n) = ∑_k=0..n binomial(n,k) * binomial(n+5·k,k). A388536

Generalized Lucas-Pascal triangle; (11·10ⁿ, 1). A164851

Numbers k such that k and k+2 have the same number (A000005) and sum of divisors (A000203). A229254

Numbers n such that the decimal digits of n² are all prime. A275971