Properties of the Number 20353

Twenty Thousand Three Hundred Fifty-Three

Basics

Value: 20352 → 20353 → 20354

Parity: odd

Prime: Yes

Previous Prime: 20347

Next Prime: 20357

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 20353

Divisors: 1, 20353

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100111110000001

Octal: 47601

Duodecimal: B941

Hexadecimal: 4f81

Square: 414244609

Square Root: 142.6639407839276

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 normal multiset partitions of weight n into sets with distinct sums. A381718

G.f. satisfies A(x) = 1 + x·A(x)²*A(x·A(x)). A88714

T(n,k) = Number of n X k 0..1 arrays with no 1 equal to more than two of its horizontal, diagonal and antidiagonal neighbors. A283691

Shifts left under reversion. A67145

Primes of the form 128·k + 1. A208177

Index sequence to A089840: positions of bijections that preserve A127302 (the non-oriented form of binary trees) and whose behavior does not depend on whether there are internal or terminal nodes (leaves) in the neighborhood of any vertex. A153830

Prime time primes (of the form HMMSS with primes H < 24 and MM, SS < 60) such that the corresponding number of seconds after midnight is also prime. A295000

Numbers of the form HMMSS with primes H < 24 and MM, SS < 60, for which the number of seconds after midnight, 3600·H+60·MM+SS, is also prime. A295011

Prime time primes on 6-digit clocks, second definition: primes of the form HMMSS where H, MM, SS are primes, H < 24, MM and SS < 60. A295013

Prime time numbers on 6-digit clocks: numbers of the form HMMSS where H, MM, SS are primes, H < 24, MM and SS < 60. A295014