Properties of the Number 84629

Eighty-Four Thousand Six Hundred Twenty-Nine

Basics

Value: 84628 → 84629 → 84630

Parity: odd

Prime: Yes

Previous Prime: 84589

Next Prime: 84631

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 84629

Divisors: 1, 84629

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10100101010010101

Octal: 245225

Duodecimal: 40B85

Hexadecimal: 14a95

Square: 7162067641

Square Root: 290.91063920042524

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

Lesser of twin primes (p,q=p+2) such that p·q-p-q and p·q+p+q are primes. A126334

Primes p such that p+2, p*(p+1)/2-2 and p*(p+1)/2+2 are also primes. A349336

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 25. A31613

Sophie Germain primes that are also highly cototient numbers. A209194

Composite squarefree numbers n such that the ratio (n - 1/3)/(p(i) + 1/3) is an integer, where p(i) are the prime factors of n. A226113

Brilliant numbers such that when they are concatenated with their 10's complement, which also must be brilliant, the result is a prime. A84629

Table read by antidiagonals: A(n,1) = 2n-1, and for k > 1, A(n,k) = A372289(A(n,k-1)+A(n,1)). A372313