Properties of the Number 55469

Fifty-Five Thousand Four Hundred Sixty-Nine

Basics

Value: 55468 → 55469 → 55470

Parity: odd

Prime: Yes

Previous Prime: 55457

Next Prime: 55487

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 55469

Divisors: 1, 55469

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101100010101101

Octal: 154255

Duodecimal: 28125

Hexadecimal: d8ad

Square: 3076809961

Square Root: 235.51857676200407

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

Primes of the form k² + k + 9. A27758

Primes p such that 2·p+1 and ((2·p+1)² + 1)/2 = p² + (p+1)² are primes. A98717

A proximate-prime polynomial sequence generated by 2·n² - 2·n + 53089. A155557

Numbers k such that the last 9 digits of the k-th Lucas number are 1-9 pandigital. A216488

Reversal of base-n digits of largest prime < n³. A329931

Primes of the form k(k+1)/2+1 (i.e., central polygonal numbers, or one more than triangular numbers). A55469

Integers of the form (Lucas(i+1) - 2·A006206(i+2))/(A006206(i+2) - A006206(i)), i > 2; Lucas = A000204. A113910