Properties of the Number 4639

Four Thousand Six Hundred Thirty-Nine

Basics

Value: 4638 → 4639 → 4640

Parity: odd

Prime: Yes

Previous Prime: 4637

Next Prime: 4643

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 4639

Divisors: 1, 4639

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001000011111

Octal: 11037

Duodecimal: 2827

Hexadecimal: 121f

Square: 21520321

Square Root: 68.11020481543129

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

First member of a prime triple in a 2p-1 progression. A57326

Number of different score sequences that are possible in an n-team round-robin tournament. A571

Primes congruent to 31 mod 32. A127578

Primes p such that p + 4 is prime and p == 9 (mod 10). A74822

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=[4, 6, 2]; short d-string notation of pattern = [462]. A78851

Primes such that the sum of the predecessor and successor primes is divisible by 29. A112859

Primes p such that 3·p-4, 3·p-10, and 3·p-14 are all prime. A230223

Number T(n,k) of unlabeled rooted trees with n nodes such that the minimal outdegree of inner nodes equals k; triangle T(n,k), n>=1, 0<=k<=n-1, read by rows. A244454

Number of polygonal graphs. A2560

Lexicographically earliest sequence containing 2 and all positive integers > 1 whose prime indices minus 1 already belong to the sequence. A324702