Properties of the Number 20454

Twenty Thousand Four Hundred Fifty-Four

Basics

Value: 20453 → 20454 → 20455

Parity: even

Prime: No

Previous Prime: 20443

Next Prime: 20477

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 7 × 487

Divisors: 1, 2, 3, 6, 7, 14, 21, 42, 487, 974

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100111111100110

Octal: 47746

Duodecimal: BA06

Hexadecimal: 4fe6

Square: 418366116

Square Root: 143.01748144894736

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 that are the sum of 9 nonzero 8th powers. A3387

Numbers n such that Bernoulli number B_n has denominator 1806. A272139

Imbalance of the number of parts of all partitions of n. A194796

Numbers k such that k and k+1 are both terms in A377732. A377733

Row sums of triangle A137629. A137630

Number of conjugacy classes in simply connected Chevalley group E₆(q) as q runs through the prime powers. A225932

Number of conjugacy classes in adjoint Chevalley group E₆(q) as q runs through the prime powers. A225933

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 478", based on the 5-celled von Neumann neighborhood. A272453

Numbers n such that n¹⁶+1 and (n+2)¹⁶+1 are both prime. A217991

Primes that contain digits 1 and 6 only. A20454