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Properties of the Number 20354

Twenty Thousand Three Hundred Fifty-Four

Basics

Value: 20353 → 20354 → 20355

Parity: even

Prime: No

Previous Prime: 20353

Next Prime: 20357

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 10177

Divisors: 1, 2, 10177, 20354

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100111110000010

Octal: 47602

Duodecimal: B942

Hexadecimal: 4f82

Square: 414285316

Square Root: 142.66744548074027

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

Numbers n such that p(5n) is prime, where p(n) is the number of partitions of n. A114166
Triangle read by rows: number of permutations of [1..n] with k progressions of rise 2, distance 1 and length 3 (n >= 0, k >= 0). A216716
Number of partitions of n such that the number of parts having multiplicity 1 is a part or the number of distinct parts is a part. A241446
Coordination sequence for root lattice B3. A22145
Number of equivalence classes of convex lattice polygons of genus n, restricting the count to those polygons that are interior to another polygon. A322344
Number of ternary rooted trees with n nodes and height at most 5. A36373
a(n) = ceiling( πn/3 ). A212463
Number of nonequivalent maximal irredundant sets in the n-cycle graph up to rotation. A291048
Number of partitions of n into exactly 7 different parts with distinct multiplicities. A212118
Expansion of ∏i>=1, j>=1, k>=1, l>=1 (1 - xi·j*k·l)/(1 + xi·j*k·l). A321302