Properties of the Number 19277

Nineteen Thousand Two Hundred Seventy-Seven

Basics

Value: 19276 → 19277 → 19278

Parity: odd

Prime: No

Previous Prime: 19273

Next Prime: 19289

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 37 × 521

Divisors: 1, 37, 521, 19277

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100101101001101

Octal: 45515

Duodecimal: B1A5

Hexadecimal: 4b4d

Square: 371602729

Square Root: 138.84163640637487

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 n such that φ(n)=2*φ(n-1). A171271

T(n,k)=Number of nXk 0..1 arrays with no 1 adjacent to 2 king-move neighboring 1s. A297085

a(n) = n*(14·n + 3). A195025

Number of partitions p of n such that the number of parts having multiplicity 1 is not a part and max(p) - min(p) is not a part. A241450

Solution of the complementary equation a(n) = a(n-1) + 2·a(n-2) + b(n-2), where a(0) = 1, a(1) = 2, b(0) = 3, b(1) = 4, and (a(n)) and (b(n)) are increasing complementary sequences. A295145

Semiprimes (p+4) associated with last prime in A137626. A137628

Number of n X 3 0..1 arrays with no 1 adjacent to 2 king-move neighboring 1's. A297080

Number of nX6 0..1 arrays with no 1 adjacent to 2 king-move neighboring 1s. A297083

Records in A019294, number of iterations of the σ function to reach a multiple of the starting value. A19277