Properties of the Number 69812

Sixty-Nine Thousand Eight Hundred Twelve

Basics

Value: 69811 → 69812 → 69813

Parity: even

Prime: No

Previous Prime: 69809

Next Prime: 69821

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 31 × 563

Divisors: 1, 2, 4, 31, 62, 124, 563, 1126, 2252, 17453

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001000010110100

Octal: 210264

Duodecimal: 34498

Hexadecimal: 110b4

Square: 4873715344

Square Root: 264.2196056313763

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 T(n,k) of parts in all proper k-times partitions of n; triangle T(n,k), n >= 1, 0 <= k <= n-1, read by rows. A327631

Integers m of the form m = 3·p + 5·q = 5·r + 7·s where {p,q} and {r,s} are pairs of consecutive primes. A283392

Number of minimal total dominating sets in the n-Andrásfai graph. A302762

a(n) = ∑_k=1..n (bigomega(k)-ω(k)). A69812

Number of nX4 0..1 arrays with every element equal to 2, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero. A298837