Properties of the Number 30169

Thirty Thousand One Hundred Sixty-Nine

Basics

Value: 30168 → 30169 → 30170

Parity: odd

Prime: Yes

Previous Prime: 30161

Next Prime: 30181

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 30169

Divisors: 1, 30169

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111010111011001

Octal: 72731

Duodecimal: 15561

Hexadecimal: 75d9

Square: 910168561

Square Root: 173.69225659193907

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

Number of n-bit legal binary words with maximal set of 1s. A253412

a(n) = 10·a(n-1)-19·a(n-2) for n > 1; a(0) = 1, a(1) = 9. A164551

Number of tilings of a 20 X n rectangle using 2n decominoes of shape I. A250667

Number of tilings of a 30 X n rectangle using 3n decominoes of shape I. A251079

Numbers k such that the continued fraction for sqrt(k) has period 77. A20416

Prime means of 12 horizontal, vertical and main diagonal sums associated with primes in A094458. A94459

Triangle read by rows, T(n,k) = ∑_j=0..n-k+1 j!*C(n-1,j-1)*T(n-j,k-1) if k ≠ 0 else 1, n>=0, 0<=k<=n. A256895

Primes prime(k) such that (prime(k), prime(k+1)), (prime(k+2), prime(k+3)), (prime(k+4), prime(k+5)) form a triangle of area 2. A308649

Primorial base emirps: prime numbers whose primorial base reversal is a different prime. A333425

Primes that are the sum of the cubes of four primes, not necessarily distinct. A353249