Properties of the Number 46646

Forty-Six Thousand Six Hundred Forty-Six

Basics

Value: 46645 → 46646 → 46647

Parity: even

Prime: No

Previous Prime: 46643

Next Prime: 46649

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 83 × 281

Divisors: 1, 2, 83, 166, 281, 562, 23323, 46646

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011011000110110

Octal: 133066

Duodecimal: 22BB2

Hexadecimal: b636

Square: 2175849316

Square Root: 215.97685061135604

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

G.f. A(x) satisfies: A(x) = (1 + x·A(x)) * (1 + x²*A(x)³). A181734

3-almost primes with semiprime digits (digits 4, 6, 9 only). A111494

Numbers with digits 4 and 6 only. A284634

Integers k, not divisible by any of their digits, such that k = ∑_{j = digits of k} k/j. A393453

G.f. A(x) satisfies A(x) = ∑_n>=0 xⁿ * A(x)^A038722(n), where A038722(n) = floor(sqrt(2·n)+1/2)² - n + 1. A192318

a(n) = 2·binomial(3·n-3, n-1)/(2·n-1) for n >= 2, and a(1) = 1. A46646

Smaller of two consecutive oblong numbers which are anagrams of each other. A337784