Properties of the Number 51470

Fifty-One Thousand Four Hundred Seventy

Basics

Value: 51469 → 51470 → 51471

Parity: even

Prime: No

Previous Prime: 51461

Next Prime: 51473

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 5 × 5147

Divisors: 1, 2, 5, 10, 5147, 10294, 25735, 51470

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1100100100001110

Octal: 144416

Duodecimal: 25952

Hexadecimal: c90e

Square: 2649160900

Square Root: 226.87000683210638

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

Number of parts in all partitions of all the numbers in {1,2,...,n} into distinct parts. A15724

Triangle T(n,k) read by rows: Number of non-equivalent ways (mod D₃) to choose k points from an nXnXn triangular grid so that no three of them form a 2X2X2 subtriangle. A234247

Number of iterations of z -> z² + 1/4 + 1/2ⁿ until z > 2, starting with z = 0. A332062

Numbers n such that 281·2ⁿ-1 is prime. A50899

a(n) is least value of m for which the sum of Liouville's function from 1 to m is n. A51470

a(1) = 0, a(2) = 1. For n > 2, if a(n-1) is a novel term, a(n) = |a(n-1) - a(n-2) + 1|, else if a(n-1) is a repeat term, last seen at a(m), a(n) = n-m-1. A367746