Properties of the Number 16369

Sixteen Thousand Three Hundred Sixty-Nine

Basics

Value: 16368 → 16369 → 16370

Parity: odd

Prime: Yes

Previous Prime: 16363

Next Prime: 16381

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 16369

Divisors: 1, 16369

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11111111110001

Octal: 37761

Duodecimal: 9581

Hexadecimal: 3ff1

Square: 267944161

Square Root: 127.94139283281233

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

Eulerian numbers (Euler's triangle: column k=2 of A008292, column k=1 of A173018). A295

Triangle T(n, k, m) = (m*(n-k) + 1)*T(n-1, k-1, m) + (m·k + 1)*T(n-1, k, m) + m·k*(n-k)*T(n-2, k-1, m) with T(n, 0, m) = T(n, n, m) = 1 and m = 3, read by rows. A157149

a(n) = 2ⁿ⁺¹ - n - 2, or partial sums of main diagonal of array A125127 of k-step Lucas numbers. A125128

Numbers n such that n!10 + 2 is prime. A204657

Expansion of e.g.f. e^2x-(1+x)*e^x+x. A130103

a(n) = 1 + n*(n+1)*(n-1)/2. A158842

a(n) = 8·n² + 20·n + 1. A161617

Numerator of the probability that the sum of n uniform picks on [0,1] is first greater than 2 (i.e., the sum of n-1 is not). A90137

Primes of the form A000295(k) = 2^k - k - 1. A99440

Primes of the form σ(k) - τ(k), where σ(k) = A000203(k) and τ(k) = A000005(k). A229268