Properties of the Number 16987

Sixteen Thousand Nine Hundred Eighty-Seven

Basics

Value: 16986 → 16987 → 16988

Parity: odd

Prime: Yes

Previous Prime: 16981

Next Prime: 16993

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 16987

Divisors: 1, 16987

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100001001011011

Octal: 41133

Duodecimal: 99B7

Hexadecimal: 425b

Square: 288558169

Square Root: 130.3341858454642

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

Primes whose reversal is a square. A7488

Prime number spiral (clockwise, South spoke). A54566

Number of partitions of n having no parts with multiplicity 8. A184643

a(n) = 9·n² - 10·n + 3. A154262

Primes p such that (p¹²⁸ + 1)/2 is prime. A341230

Primes whose digit reversal is a nontrivial power. A69798

Primes with digit sum = 31. A106767

Least prime, p, such that p mod (sum of the digits of p) = n. A138792

Primes p such that continued fraction of (1 + sqrt(p))/2 has period 6: primes in A146331. A146351

Numbers n such that n!3 + 3⁷ is prime, where n!3 = n!!! is a triple factorial number (A007661). A265200