Properties of the Number 42899

Forty-Two Thousand Eight Hundred Ninety-Nine

Basics

Value: 42898 → 42899 → 42900

Parity: odd

Prime: Yes

Previous Prime: 42863

Next Prime: 42901

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 42899

Divisors: 1, 42899

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010011110010011

Octal: 123623

Duodecimal: 209AB

Hexadecimal: a793

Square: 1840324201

Square Root: 207.12073773526396

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

The lesser of twin prime pairs with each prime in a different century. A158277

Primes that begin a run of consecutive primes in A375564. A376193

Primes for which the sum of all preceding odd-indexed prime gaps is exactly one greater than the sum of all preceding even-indexed prime gaps. A282178

Supersingular primes of the elliptic curve X₀ (11). A6962

Primes p such that 13 is the largest of all prime factors of the numbers between p and the next prime (cf. A052248). A80188

a(n) = ∑_{k=0..floor(n/2)} (-1)^k * binomial(2·n-3·k,n-2·k). A360211

Union of 2, A282178, and A330339. A330554

Primes having only {2, 4, 8, 9} as digits. A386159

a(1) = 1, a(2) = 2; for n > 2, a(n) is the smallest unused positive number that is coprime to a(n-1) if a(n-1) is prime, otherwise a(n) shares a factor with a(n-1). A375564

Denominators of continued fraction convergents to sqrt(981). A42899