Properties of the Number 4019

Four Thousand Nineteen

Basics

Value: 4018 → 4019 → 4020

Parity: odd

Prime: Yes

Previous Prime: 4013

Next Prime: 4021

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 4019

Divisors: 1, 4019

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 111110110011

Octal: 7663

Duodecimal: 23AB

Hexadecimal: fb3

Square: 16152361

Square Root: 63.39558344238185

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

Primes > 1000 in which every substring of length 3 is also prime. A69489

Primes with first digit 4. A45710

Primes remaining prime if any digit is deleted (zeros allowed). A51362

Primes p such that x⁴¹ = 2 has no solution mod p. A59236

Number of integer partitions of n such that more than one set can be obtained by choosing a different divisor of each part. A370803

Primes p such that p+2 and 2p+1 are also prime. A45536

Smaller member of a twin prime pair whose mean is a multiple of A002110(3)=30. A60229

Balanced primes of order nine. A96701

Number of integer partitions of n where the parts have the same median as the distinct parts. A360245

Number of connected induced (non-null) subgraphs of the Möbius ladder graph with 2n nodes. A286185