Properties of the Number 454

Four Hundred Fifty-Four

Basics

Value: 453 → 454 → 455

Parity: even

Prime: No

Previous Prime: 449

Next Prime: 457

Digit Sum: 13

Digital Root: 4

Palindrome: Yes

Factorization: 2 × 227

Divisors: 1, 2, 227, 454

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111000110

Octal: 706

Duodecimal: 31A

Hexadecimal: 1c6

Square: 206116

Square Root: 21.307275752662516

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

Palindromes in base 10. A2113

The primes doubled; even semiprimes. A100484

Number of partitions of n into divisors of n. A18818

Smith (or joke) numbers: composite numbers k such that sum of digits of k = sum of digits of prime factors of k (counted with multiplicity). A6753

Sum of remainders of n mod k, for k = 1, 2, 3, ..., n. A4125

Y-toothpick sequence (see Comments lines for definition). A160120

Expansion of e.g.f. exp(2*(exp(x) - 1)). A1861

Number of integer partitions of n whose product of parts is >= n. A319005

Numbers k with A033676(k)=2, where A033676 is the largest divisor <= sqrt(k). A161344

Coordination sequence for "reo-e" 3D uniform tiling. A299281