Properties of the Number 16481

Sixteen Thousand Four Hundred Eighty-One

Basics

Value: 16480 → 16481 → 16482

Parity: odd

Prime: Yes

Previous Prime: 16477

Next Prime: 16487

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 16481

Divisors: 1, 16481

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100000001100001

Octal: 40141

Duodecimal: 9655

Hexadecimal: 4061

Square: 271623361

Square Root: 128.37834708392222

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

Numerator of ∑_k=0..n (-1)^k/k!. A53557

Primes p for which the period of reciprocal = (p-1)/8. A56213

Primes that are palindromic in base 9. A29977

Number of partitions p of n such that the multiplicity of 2·min(p) is a part. A240496

Primes p such that φ(p-3) = φ(φ(p-1)-1). A271657

The first of two consecutive primes the sum of which is equal to the sum of two consecutive heptagonal numbers. A298466

Ulam's spiral (WSW spoke). A143854

Largest prime factor in the subfactorial of n. A152024

Numbers m such that the average path sum is an integer when iterating from m to 1 with nondeterministic map k -> k - k/p, where p is any prime factor of k. A333785

Primes that remain prime through 3 iterations of function f(x) = 3x + 8. A23279