Properties of the Number 42017

Forty-Two Thousand Seventeen

Basics

Value: 42016 → 42017 → 42018

Parity: odd

Prime: Yes

Previous Prime: 42013

Next Prime: 42019

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 42017

Divisors: 1, 42017

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1010010000100001

Octal: 122041

Duodecimal: 20395

Hexadecimal: a421

Square: 1765428289

Square Root: 204.98048687619024

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 of form n² + 28561. A256841

Primes p such that 2·prime(p) + 1 = prime(q) for some prime q. A261361

Primes p with p + 2, p + 6 and prime(p) + 6 all prime. A236509

Record-setting differences between adjacent elements of the Mian-Chowla sequence variant A051788. A80223

Prime intersections in a square spiral with positive integers: primes p such that there are four primes among eight nearest neighbors of p. A215470

Initial members of prime quadruples (n, n+2, n+54, n+56). A248661

Primes p such that p+2, (p+1)||p and (p+1)||(p+2) are primes (where || denotes concatenation in base 10). A309934

Depression-type primes with five digits; from left to right digits decrease to and increase from the central digit. A157083

Integers in Ulam's spiral for which the numbers around them form a square whose four corners are all prime numbers. A383596

Denominators of continued fraction convergents to sqrt(532). A42017