Properties of the Number 20760

Twenty Thousand Seven Hundred Sixty

Basics

Value: 20759 → 20760 → 20761

Parity: even

Prime: No

Previous Prime: 20759

Next Prime: 20771

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ³ × 3 × 5 × 173

Divisors: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101000100011000

Octal: 50430

Duodecimal: 10020

Hexadecimal: 5118

Square: 430977600

Square Root: 144.08330923462302

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 5 positive 7th powers. A3372

Starts of runs of 3 consecutive base φ Niven numbers (A334308). A334310

Sum of the fourth largest parts of the partitions of n into 9 parts. A326470

Numbers k such that (2^k - k)*2^k + 1 is prime. A200816

a(n) = n*(n³ + 2). A185065

Index of A190874 at record terms. A202187

Numbers k such that d(φ(k)) = φ(d(k)), where d=A000005 and φ=A000010. A78148

Number of partitions of n such that (number parts having multiplicity 1) is not a part and (number of 1s) is a part. A241507

Numbers k for which rank of the elliptic curve y²=x³-k·x is 4. A309034

a(n) = 36·n² + n. A157324