Properties of the Number 1356

One Thousand Three Hundred Fifty-Six

Basics

Value: 1355 → 1356 → 1357

Parity: even

Prime: No

Previous Prime: 1327

Next Prime: 1361

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 113

Divisors: 1, 2, 3, 4, 6, 12, 113, 226, 339, 452

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101001100

Octal: 2514

Duodecimal: 950

Hexadecimal: 54c

Square: 1838736

Square Root: 36.823905279043935

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 partitions of n into prime power parts (1 included); number of nonisomorphic Abelian subgroups of symmetric group S_n. A23893

Expansion of 1/theta₄(q)² in powers of q. A1934

Number of unlabeled rooted trees with n nodes in which all positive outdegrees are odd. A298118

Triangle read by rows giving number of arrangements of k dumbbells on 2 X n grid (n >= 0, k >= 0). A46741

Powers of cube root of 22 rounded to nearest integer. A18040

Powers of cube root of 22 rounded down. A18039

Numbers m such that there are precisely 12 groups of order m. A249555

Positive even numbers that are not the sum of a pair of twin primes. A7534

Numbers whose binary indices and prime indices have the same sum. A372427

Numbers k whose largest divisor <= sqrt(k) equals 12. A162532