Properties of the Number 15859

Fifteen Thousand Eight Hundred Fifty-Nine

Basics

Value: 15858 → 15859 → 15860

Parity: odd

Prime: Yes

Previous Prime: 15823

Next Prime: 15877

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 15859

Divisors: 1, 15859

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11110111110011

Octal: 36763

Duodecimal: 9217

Hexadecimal: 3df3

Square: 251507881

Square Root: 125.93252161375949

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

Prime islands: for n >= 2, a(n) = least prime whose adjacent primes are exactly 2n apart; a(1) = 3 by convention. A46931

Palindromic primes in base 8. A29976

The first of two consecutive primes with equal digital sums. A66540

Smallest of four consecutive primes whose sum is a square. A206280

Recursive prime generating sequence. A39726

Right-truncatable, reversible primes in base 16. A238851

Primes in which the digit string can be partitioned into three parts such that the sum of the first two is equal to the third, and the second part is nonzero. A88291

Primes p, with index k, such that p-k and p+k are both prime. A143794

Primes q (except greater of twin primes) with result 2 under iterations of {r mod (max prime p < r)} starting at r = q. A175080

Primes p such that 10p+1 divides 2^p-1. A188133