Properties of the Number 42179

Forty-Two Thousand One Hundred Seventy-Nine

Basics

Value: 42178 → 42179 → 42180

Parity: odd

Prime: Yes

Previous Prime: 42169

Next Prime: 42181

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 42179

Divisors: 1, 42179

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1010010011000011

Octal: 122303

Duodecimal: 204AB

Hexadecimal: a4c3

Square: 1779068041

Square Root: 205.37526628102032

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

Initial term in sequence of four consecutive primes separated by 3 consecutive differences each <=6 (i.e., when d=2,4 or 6) and forming d-pattern=[2, 6,6]; short d-string notation of pattern = [266]. A78849

Class 7- primes. A81426

Expansion of 1/(1 - ∑_k>=0 x^(2·k+1²)). A280863

Primes p such that the differences between the 5 consecutive primes starting with p are (2,6,6,4). A78950

Value of C in y = x²+7x+C such that y is prime for all x = 0 to 4. A97436

Primes p1 such that p1³+p2²=pp are average of twin primes. p1 and p2 consecutive primes, p1 < p2. A138735

Lesser of twin primes p1 such that p1³ + p2² are average of twin primes. p1 and p2 twin primes, p1 < p2. A139778

Primes p of the form a²-b² and p·a-b is also prime (with b=prime and a=b+1). A173875

Denominators of continued fraction convergents to sqrt(614). A42179

Number of nX4 0..1 arrays with each 1 adjacent to 1, 2 or 4 king-move neighboring 1s. A296735