Properties of the Number 70019

Seventy Thousand Nineteen

Basics

Value: 70018 → 70019 → 70020

Parity: odd

Prime: Yes

Previous Prime: 70009

Next Prime: 70039

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 70019

Divisors: 1, 70019

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001000110000011

Octal: 210603

Duodecimal: 3462B

Hexadecimal: 11183

Square: 4902660361

Square Root: 264.61103529520454

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 ordered triples (w,x,y) with all terms in {-n,...-1,1,...,n} and w+4x+4y>0. A211626

a(n) = binomial(2·n-4,n-1)*(n+3)/n. A271823

Numbers k such that 7·10^k + 19 is prime. A274677

a(1) = 1 and a(2) = 2; thereafter, if a(n) and a(n+1) do not share a digit, then a(n+2) = a(n) + a(n+1), otherwise a(n+2) is the smallest number not yet in the sequence. A327451

Duplicate of A056075. A70019