Properties of the Number 64457

Sixty-Four Thousand Four Hundred Fifty-Seven

Basics

Value: 64456 → 64457 → 64458

Parity: odd

Prime: No

Previous Prime: 64453

Next Prime: 64483

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 43 × 1499

Divisors: 1, 43, 1499, 64457

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111101111001001

Octal: 175711

Duodecimal: 31375

Hexadecimal: fbc9

Square: 4154704849

Square Root: 253.8838317026116

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

Triangle read by rows: T(n,k) = number of collections of up to k subsets of [n] covering [n], with [0]={}; n>=0, k=0..2ⁿ. A381683

a(1) = 3; for n > 1, choose a(n) to be the smallest number such that a(n) > a(n-1) and (a(n)*a(n-1)+1) mod (a(n)+a(n-1)+1) = 0. A64457